Best Granblue Relink AI Party Right Now
For most players who want one party capable of handling almost everything, the strongest practical starting point is:
Eustace — Ranged DPS and uptime
Eustace is one of the biggest winners of Endless Ragnarok AI play. His ranged combat lets him continue contributing while melee characters reposition, and recent player testing repeatedly places him among the highest-performing CPU companions. His accuracy and timing requirements can actually favor AI control because the computer can execute inputs much more consistently than an average player.
Siegfried — Melee DPS, stun, defense, and party protection
Siegfried received an enormous practical AI improvement in Endless Ragnarok because his CPU execution handles his precisely timed attacks exceptionally well. Community players consistently report that the AI can maintain his perfect attack rhythm with impressive reliability, giving him strong damage while also bringing useful defensive and stun tools.
Cagliostro — Buffs, healing, utility, and safety
Cagliostro has been one of Relink's most dependable AI companions since launch, and Endless Ragnarok does not remove that value. She brings party support without requiring you to manually control her, and the changes to buff and debuff calculations make party support meaningful even in heavily capped endgame setups.
This is not necessarily the fastest possible speedrun composition.
It is the best general-purpose AI party for players who want reliability.
For maximum AI damage, a more aggressive option is:
Eustace + Siegfried + Fraux
Recent community testing and Steam discussions frequently place these three among the top current AI damage performers.
The difference is simple.
Cagliostro makes your party safer.
Fraux makes it more aggressive.

Why AI Rankings Are Different From Character Rankings
A character can be incredible when controlled manually and disappointing when controlled by the CPU.
The opposite can also happen.
AI performance depends on whether the computer understands the character's core mechanic.
Timing-Based Characters Can Become Better Under AI
Siegfried is the clearest example.
His combat rewards correctly timed attacks.
A human player can mistime one input and break the rhythm.
Endless Ragnarok players quickly noticed that AI Siegfried consistently executes his timed attacks extremely well, sometimes better than ordinary human play. Community testing also highlights his ability to maintain his new Endless Ragnarok buffs and contribute strong stun.
That makes Siegfried unusually well suited to CPU control.
Complicated Rotations Can Become Worse Under AI
The reverse is true for characters that need a specific sequence.
A character may theoretically have enormous DPS if you:
build a resource,
use one skill,
perform three specific combo finishers,
enter an enhanced state,
use another skill,
then exit at exactly the correct moment.
The AI may not understand that strategy.
Sandalphon demonstrates this problem in some Endless Ragnarok community testing. His manual ceiling remains excellent, but players have noted that the CPU does not always execute his newer optimized rotation correctly.
That does not make Sandalphon a bad AI companion.
It simply means player tier lists and AI tier lists should never be treated as the same thing.
Range Gives AI More Uptime
CPU characters often prioritize avoiding attacks.
That is good for survival.
It can be bad for melee DPS.
A ranged character can dodge a dangerous attack and immediately resume firing.
A melee character may dodge away, spend several seconds running back toward the boss, then have to dodge again.
That is why characters such as Eustace and Eugen remain extremely attractive AI options.
Eustace – Best Current AI Damage Dealer
Eustace is one of the strongest additions to the Endless Ragnarok AI roster.
Cygames officially describes him as an elite Society marksman using the seal weapon Flamek Thunder.
That ranged identity translates extremely well to CPU control.
Why Eustace Works
Range protects his damage uptime.
Bosses in Chaos++ and Infinity move frequently.
Some teleport.
Some create huge arena-wide attacks.
Some punish characters standing directly underneath them.
Eustace can continue contributing from a safer distance while other AI companions are repositioning.
Current Steam discussions repeatedly highlight Eustace as one of the strongest CPU characters specifically because his ranged combat keeps the party engaged for more of the fight.
His precision-heavy gameplay suits AI execution.
Manual Eustace rewards accurate timing and aiming.
The CPU does not struggle with mechanical dexterity the same way a player might.
That makes his AI surprisingly dangerous once properly built.
He is excellent for automated farming.
Community players discovered Eustace becoming especially effective for low-input and Assist Mode farming after Endless Ragnarok launched.
He has been used heavily for Slimepede and other repetitive farms because his AI can efficiently engage targets without requiring constant manual repositioning.
Eustace AI Weaknesses
He is not perfect.
Players have reported some awkward repositioning behavior with specific movement or counter skills, including occasionally putting himself in bad locations on certain arenas.
That is why AI skill selection matters.
Do not assume every skill should be equipped simply because the character can use four.
A clean CPU build is often better than a complicated one.
Siegfried – Best AI Melee Companion
If Eustace is the ranged standout, Siegfried is the melee standout.
Endless Ragnarok dramatically improves his AI value because the CPU handles the part of his kit that many human players find difficult: precise attack timing.
Perfect Attack Execution
Community testing after the expansion consistently reports that AI Siegfried lands his properly timed attacks extremely reliably.
Players have specifically highlighted how consistently he maintains his combat rhythm and uses his Endless Ragnarok Master Trait improvements.
That means the CPU gets access to a large portion of Siegfried's theoretical strength without suffering from human execution errors.
Excellent Stun
Siegfried has also become a popular AI choice for Infinity because he can contribute meaningful stun.
Stun is extremely important in high-end Relink.
It helps trigger:
Link Attacks.
Link Level.
Link Time.
Long boss punish windows.
Successful mechanic checks.
A companion that contributes both damage and stun is much more valuable than one that only increases training-dummy DPS.
Strong Defensive Value
Siegfried can also provide substantial party defense.
Endless Ragnarok players have highlighted his improved defensive tools and Master Trait options, including builds that allow him to function almost like an additional protective layer for the party.
That makes him unusually flexible.
You can develop AI Siegfried toward:
Pure DPS
or
DPS with party protection
depending on what your team needs.
Cagliostro – Best Safe AI Support
Cagliostro remains one of the easiest AI recommendations in the entire roster.
She has been a strong CPU choice since base Relink because her value does not depend entirely on executing one complicated damage rotation.
She contributes in several areas at once.
Buffing
Phantasmagoria supports the whole group.
Endless Ragnarok changed how several offensive buffs and debuffs interact with Damage Cap.
Before Ver. 2.0.2, excess damage from certain status effects could effectively be lost after hitting the cap.
Cygames changed that calculation and also allowed several effects to stack additively.
Cagliostro's Phantasmagoria was specifically adjusted as part of that rebalance.
That makes support more meaningful even when your party is already heavily optimized.
Healing and Survival
AI companions are generally good at staying alive, but difficult Chaos++ and Infinity encounters can still overwhelm them.
Cagliostro gives the party extra stability.
This is especially useful while:
learning fights,
developing weaker companions,
using less defensive weapon setups,
or progressing before Terminus Transcendence is finished.
Why She Is Better Than Another DPS Sometimes
Imagine two setups.
Party A brings three damage-focused CPU companions.
Party B replaces one of them with Cagliostro.
Party A may have higher theoretical personal DPS.
But if Party B receives:
better buffs,
fewer deaths,
better recovery,
more reliable uptime,
and safer progression,
Party B can clear faster.
This is why Cagliostro remains one of the most universally recommended CPU characters in player discussions even after the six Endless Ragnarok additions.
Fraux – Best Aggressive Replacement for Cagliostro
Fraux is one of the expansion's strongest CPU damage candidates.
She is a new Endless Ragnarok character connected to The Devil, and Cygames describes her as a close-range pactbearer built around aggressive combat.
Recent community testing frequently places AI Fraux near the top of pure damage comparisons.
Some players report her outperforming established AI attackers, while current high-end discussions regularly group Eustace, Fraux, and Siegfried together as the strongest aggressive CPU trio.
When to Use Fraux
Replace Cagliostro with Fraux when:
Your party already survives comfortably.
Your own main provides support.
You are farming content you understand.
You want shorter boss clears.
Defensive support is no longer solving a real problem.
When Not to Use Fraux
Keep Cagliostro if:
Your AI companions are dying.
You are still learning the encounter.
Your main is a pure glass cannon.
You need stronger party recovery.
The boss punishes mistakes heavily.
A fast wipe is still a wipe.
Eugen – The Classic AI Companion Is Still Excellent
Before Endless Ragnarok, the most famous CPU core was often:
Eugen + Cagliostro + Zeta
That team did not become bad.
New characters simply created additional options.
Eugen remains extremely reliable because he combines:
Ranged uptime.
Consistent targeting.
Debuffs.
Useful status effects.
Strong AI behavior.
Excellent survivability.
Cygames' Ver. 2.0.2 balance notes also specifically include Venom Grenade's DEF Down in the new buff/debuff calculation changes.
Eustace or Eugen?
This is one of the most useful current comparisons.
Use Eustace when you want maximum modern ranged AI damage and Endless Ragnarok scaling.
Use Eugen when you want the proven, simple, reliable ranged AI companion with strong utility.
September 2026 player discussion still recommends Eugen as an excellent alternative, particularly when Eustace is being manually controlled or used for automated farming.
There is nothing wrong with using both.
A double-ranged backline can be extremely comfortable against bosses that constantly move.
Zeta – Still Strong With the Right AI Setup
Zeta became famous as an AI companion because players discovered the CPU could perform extremely well with simplified setups.
The classic strategy often involved reducing unnecessary skills and letting the AI focus on her core aerial loop.
Community players frequently used Less Is More setups with no active skills or highly simplified skill selection.
That minimizes situations where the CPU interrupts its own strong behavior.
The classic Eugen + Cagliostro + Zeta combination remains widely referenced as a strong general AI core.
Has Endless Ragnarok Changed Zeta?
Yes.
Endless Ragnarok adjusted Zeta directly.
Cygames:
extended invincibility after successful Realm's Majesty counters,
shortened the delay after Arvess Hammer before another skill,
changed Arvess Fermare's extra-damage interaction,
and increased the initial damage of her Skybound Art.
Master Traits also create new possibilities for her aerial gameplay.
She remains good.
But she now faces much stronger competition from Eustace, Siegfried, and Fraux than she did in base Relink.
Io – Excellent Flex Damage and Support
Io is a useful CPU option when you want ranged magical damage without giving up utility.
Recent September 2026 player reports specifically mention Eustace + Siegfried + Io as a strong offensive variation, with Cagliostro recommended instead when additional survivability is needed.
That gives you a simple choice:
Cagliostro = safer party
Io = more offensive ranged contribution
Io can be particularly attractive against bosses where melee uptime becomes difficult.
The downside is that charged attacks and moving targets can create inconsistencies.
She may perform wonderfully against slower bosses and lose damage against enemies constantly repositioning.
Maglielle – Strong Utility and Stun Option
Maglielle is another Endless Ragnarok character worth considering for AI.
Community players report good results from her combination of:
One July discussion specifically highlights Maglielle + Eustace as a strong combination for carrying stun requirements in Infinity while remaining safe against dangerous bosses.
This makes Maglielle especially interesting when your main character lacks stun.
Raw DPS is not the only way an AI companion improves clear speed.
Breaking a difficult stun threshold and triggering Link Time can be much more valuable.
Tweyen – Excellent Ranged Utility
Tweyen has one major AI advantage:
she can keep attacking from range while contributing debuffs and control.
Cygames describes her as an exceptionally long-range bow master among the Eternals.
Community players continue to recommend her as a reliable AI companion because the CPU benefits from:
She may not always beat Eustace in raw current AI damage testing, but she remains an excellent flex pick.
Rosetta – Better Than Her Reputation Suggests
Rosetta is one of the more controversial AI characters.
Some older players disliked her because flower positioning could become inconsistent.
Others have long considered the CPU surprisingly good at handling the multitasking required by her kit.
Endless Ragnarok makes her more interesting because buff stacking and revised support calculations increase the value of party effects.
Current community discussion reports strong results from particular Rosetta Master Trait paths, especially in situations where enemies remain inside her effective area.
However, highly mobile enemies can still reduce her value.
A player discussion about current Master Traits specifically warns that some Rosetta AI setups perform poorly against extremely mobile Endless Ragnarok targets even if other setups perform very well.
Rosetta is strong when the fight cooperates. Eustace is strong almost everywhere.
That distinction matters.
Seofon – Excellent Link Time Specialist
Seofon is another character whose AI value rises dramatically under the right setup.
Current players have reported strong results using simplified Seofon CPU builds.
One common approach minimizes the active skill list and focuses his AI behavior on Avatar Gauge generation and his normal combat loop.
Seofon also receives particular praise for Link Time damage.
Recent Infinity discussions describe him as capable of extremely strong output during Link Time once properly developed.
That makes him attractive for teams already investing heavily in:
Stun.
Link Level.
Link Time.
If your team struggles to trigger Link Time consistently, however, another AI character may give more reliable value.
Sandalphon – Still Good, but More Complicated Now
Sandalphon was an extremely strong CPU companion before Endless Ragnarok.
He still has excellent stats, strong damage, utility, and useful party tools.
The problem is that Master Traits introduced more complicated optimal rotations.
Some current community testing suggests the AI does not always execute Sandalphon's modern high-end sequence as efficiently as a skilled player.
Players specifically note that the CPU can struggle to reproduce the enhanced-state rotation required to maximize his new Master Trait damage.
He remains perfectly usable.
He simply no longer has the same effortless AI advantage as Eustace or Siegfried.
What About Fediel?
Fediel is extremely powerful manually.
That does not automatically make her the best CPU.
Current player feedback is mixed.
Some parties use Fediel successfully in Chaos++.
Others report that the AI spends too much time on lower-value combo behavior instead of reproducing the player's optimized rotation.
This is especially important because Fediel's intended combat behavior changed in Ver. 2.0.5.
Very early expansion impressions should therefore be treated carefully.
Fediel is viable as AI.
She is simply not as universally reliable as her manual power might suggest.
Best AI Party for General Solo Play
For a player-controlled DPS main, the safest current recommendation is:
Your Main + Eustace + Siegfried + Cagliostro
This team gives you:
Strong ranged DPS.
Strong melee DPS.
Excellent stun.
Party buffs.
Healing and recovery.
Defensive support.
Good boss uptime.
Reliable AI execution.
There are very few obvious weaknesses.
If your own main already brings strong support, replace Cagliostro with Fraux.
Best AI Party for Maximum Damage
Use:
Your Main + Eustace + Siegfried + Fraux
This sacrifices some support safety for more pressure.
It is best when:
Your builds are mature.
You know the encounter.
Your AI companions are properly transcended.
Your team already survives without dedicated healing.
Faster kill times matter more than comfort.
Current high-end community discussion repeatedly places these three among the strongest damage-focused AI companions after Endless Ragnarok.
Best AI Party for Early Chaos
Use:
Your Main + Eugen + Cagliostro + Zeta
There is a reason this classic combination became popular.
It does not require every Endless Ragnarok character to be fully built.
Eugen provides safe ranged pressure and utility.
Cagliostro stabilizes the group.
Zeta provides reliable damage with an AI-friendly simplified setup.
For players entering Chaos with an older Relink account, it is often better to keep a developed classic AI team than immediately replace everyone with newly recruited characters who lack:
Masteries.
Weapons.
Sigils.
Master Traits.
Summons.
Best AI Party for Chaos++ Progression
Use:
Your Main + Eustace + Siegfried + Cagliostro
Chaos++ increases the importance of survival and stun.
Siegfried becomes extremely useful because he contributes both.
Eustace gives ranged uptime.
Cagliostro gives the party breathing room.
Once clears become comfortable, swap Cagliostro to Fraux, Io, Seofon, or another offensive character.
Best AI Party for Infinity
There is no single perfect Infinity party because different bosses emphasize different mechanics.
A strong general structure is:
Eustace + Siegfried + flex
The third AI slot should solve the encounter.
Use:
Cagliostro for survival.
Fraux for damage.
Io for additional ranged pressure.
Maglielle for stun and support.
Seofon for strong Link Time-focused damage.
Tweyen for range and debuffs.
Players have successfully cleared Endless Ragnarok content completely offline with AI parties, including very difficult endgame encounters. One July 2026 player documented completing all expansion content with CPU companions after adjusting defensive traits, Autorevive, SBA timing, and Link Time usage.
The important lesson is that party execution matters as much as character selection.
Best AI Party for Farming
Farming values different qualities from a difficult boss clear.
You want:
Eustace is particularly strong here.
Community players have used enlisted or AI Eustace for automated Slimepede and MSP farming because of how efficiently he acquires and attacks targets.
A practical farming setup is:
Eustace + Eugen + fast third AI
The third slot can be whatever fits the farm.
You do not need Cagliostro if nothing is threatening the party.
AI Builds Should Be Different From Player Builds
This is one of the biggest mistakes players make.
You should not always copy your manual build onto the AI.
Prioritize Consistency
A human player can maintain:
25% HP.
Perfect dodge conditions.
Weak-point positioning.
Precise combo rotations.
Exact skill sequences.
The AI may not.
Give the CPU conditions it can actually maintain.
Give AI Enough HP
Endless Ragnarok gives you much more room for high-HP builds.
A CPU companion does not need to sacrifice enormous survivability for a tiny theoretical damage increase.
High HP can also support effects such as Spartan Echo and Defender weapon progression.
Avoid Glass Cannon Until You Understand the Risk
Glass Cannon increases offensive potential but makes getting hit far more punishing.
AI companions dodge well, but they are not invincible.
A September 2026 player recommendation specifically warns against using Glass Cannon on AI companions when consistency matters.
Be Careful With Berserker
Berserker disables guarding.
That may be acceptable for some characters and encounters.
It can also cause an AI companion to lose an important defensive option.
The correct answer depends on the boss and character rather than a universal rule.
Best Sigils for AI Companions
There is no single CPU Sigil set, but several priorities are consistently useful.
Damage Cap
Your AI still needs enough ceiling to convert its offense into actual damage.
Use Sir Barrold to evaluate the character.
Fatebreaker
Excellent in applicable Endless Ragnarok content because it raises attack, defense, and Damage Cap together.
War Elemental
A straightforward general damage option that requires little AI decision-making.
Supplementary Damage
Strong for characters generating many hits.
Berserker Echo and Spartan Echo
Very effective once the AI's base ATK and HP satisfy their activation requirements.
Spartan Echo is particularly attractive on safer high-HP CPU builds.
Stun Power
Do not underestimate this.
High-end players often recommend substantial stun investment on AI companions because Link Time has enormous party value.
Recent Siegfried discussions specifically emphasize building enough stun for endgame AI use.
Autorevive
Extremely useful during progression.
If the AI makes one catastrophic mistake, Autorevive can prevent the entire run from collapsing.
Improved Dodge
A good general safety trait.
AI already prioritizes avoiding attacks, so improving that defensive behavior can increase uptime.
Do Not Give AI Potion Hoarder for Offline Value
AI companions do not use consumable potions the same way a player-controlled character does.
This makes Potion Hoarder far less valuable on a CPU character than on your main.
Use that slot for a trait the AI can actually exploit.
Older AI community testing has repeatedly pointed this out, and the principle remains relevant when building CPU-only companions.
AI Skill Selection Matters
Do not automatically equip four skills.
Some characters perform better with fewer.
The CPU sees equipped skills as available decisions.
More options can sometimes mean more opportunities to interrupt a superior core rotation.
Zeta Is the Famous Example
The classic no-skill or minimal-skill Zeta setup exists specifically because her AI can perform her strong aerial loop more consistently when it is not distracted by unnecessary skills.
Seofon Can Benefit From Simplification
Community players have reported strong AI performance from Seofon setups that limit his skills and emphasize Avatar generation.
Eustace Needs Thoughtful Skill Selection
Movement-heavy skills can occasionally cause strange positioning.
If you notice Eustace repeatedly putting himself somewhere dangerous, change the skill set rather than abandoning the character immediately.
Do Not Forget Master Traits
Endless Ragnarok changes AI optimization because Master Traits can modify the exact behavior a character uses.
Cygames confirms that every character receives three different Master Style directions, with traits capable of significantly changing skills and combat behavior.
For AI companions, the “highest DPS” Master Trait path is not automatically best.
Ask:
Can the AI activate the condition?
Does the AI use the modified skill properly?
Does the path increase survivability?
Does it improve stun?
Does it simplify the character?
AI Siegfried is an excellent example of Master Traits matching CPU strengths.
Backup Characters Can Solve a Weak AI Slot
Endless Ragnarok introduces Backup Characters.
Cygames officially allows you to borrow one copy of another player's developed character and use that character in your party.
The feature is managed through the quest counter.
This is extremely useful for solo progression.
Suppose your party has:
a completed main,
a good Eustace,
a good Cagliostro,
and an unfinished fourth character.
Instead of forcing that underbuilt character into Chaos++, borrow a developed Backup Character.
This lets you:
Progress farther.
Test another character's AI.
See whether you like a build before investing.
Cover a missing role.
Farm materials needed to finish your own companion.
A finished borrowed character is often better than a theoretically optimal character with half a build.
Common AI Party Mistakes
Choosing Characters Only From Player Tier Lists
Manual power does not equal AI power.
Always ask whether the CPU understands the character.
Building Three Glass Cannons
A party that dies faster is not a faster farming party.
Ignoring Stun
Stun leads to Link Attacks and Link Time.
Your AI team can contribute enormous party value without topping a damage parser.
Giving Every Character Four Skills
Some AI characters become less efficient with unnecessary skills.
Leaving AI Weapons Behind
A fully transcended main cannot carry three companions using outdated Proud weapons forever.
Chaos++ exposes this quickly.
Ignoring Master Traits
An AI companion with the wrong Master Style may perform very differently from the version somebody praised online.
Using the Same Team Against Every Boss
Different bosses reward:
range,
stun,
healing,
damage,
or defensive support.
Keep at least one flex character developed.
Replacing Developed Characters Too Early
A completely built Eugen can outperform a newly recruited Eustace with no weapon development.
Do not chase the meta at the cost of actual progression.
Expecting AI to Solve Mechanics for You
AI teammates are excellent at survival and combat execution.
They cannot replace your responsibility for every encounter mechanic.
High-end fights can still demand correct SBA timing, Link management, positioning, blocking, and mechanic recognition from the player-controlled character.
Is the Endless Ragnarok AI Better?
Community reaction during the Endless Ragnarok beta and release period has been broadly positive.
Players testing the expansion reported AI companions behaving more aggressively, using skills more effectively, and maintaining pressure more consistently than before.
Individual characters also benefit enormously from the new combat systems.
Siegfried is the clearest example.
Older AI assessments sometimes treated him as merely decent.
Current Endless Ragnarok discussions frequently place him among the absolute best CPU-controlled characters because of his precision with timed attacks.
This is why old 2024 AI tier lists should not be used as your main reference in 2026.
FAQ
What is the best AI party in Granblue Fantasy: Relink right now?
For an all-purpose Endless Ragnarok party, Eustace + Siegfried + Cagliostro is one of the strongest combinations because it balances damage, ranged uptime, stun, buffs, defense, and recovery.
What is the best AI team for maximum damage?
Eustace + Siegfried + Fraux is one of the strongest current aggressive combinations based on Endless Ragnarok community testing.
Is Eustace better than Eugen as AI?
Eustace currently has the higher modern ceiling and excellent AI execution, particularly for ranged DPS and automated farming. Eugen remains one of the most reliable and useful classic AI companions and is easier to recommend for an already-developed base-game account.
Why is AI Siegfried so good?
The CPU performs Siegfried's precisely timed attacks extremely consistently. Endless Ragnarok Master Traits also improve his damage, stun, and defensive options, making him an unusually complete AI companion.
Is Cagliostro still good as AI?
Yes. She remains one of the safest support companions because she contributes buffs, healing, utility, and reliable party value without requiring complicated manual execution.
Is Fraux good as an AI companion?
Yes. Current community testing frequently places Fraux among the strongest damage-oriented AI companions. She is an excellent alternative to Cagliostro when your team no longer needs dedicated support.
Is Zeta still good as AI?
Yes. Simplified Zeta setups remain effective, particularly when the AI is allowed to focus on her aerial combat loop rather than unnecessary skills.
Is Sandalphon good as AI?
He is still strong, but Endless Ragnarok's optimized manual rotation is more complicated, and community players report that the CPU does not always exploit his new mechanics as efficiently as Eustace or Siegfried.
Is Fediel good as AI?
She is viable, but her CPU performance is less impressive than her manual strength because the AI does not always prioritize her best modern rotation.
Who is the best AI support character?
Cagliostro is the safest universal answer. Maglielle, Rosetta, Tweyen, Captain, and several others can also provide excellent utility depending on the party.
Who is the best ranged AI character?
Eustace currently stands out as one of the strongest. Eugen and Tweyen remain excellent alternatives.
Who is the best AI companion for stun?
Siegfried is an excellent current option. Maglielle can also contribute very strong stun in high-end parties.
Can AI companions clear Chaos++?
Yes. Properly built AI parties can clear Chaos++ consistently.
Can AI companions clear Infinity?
Yes, players have documented completing extremely difficult Endless Ragnarok content offline with AI companions. Your main character still needs to handle important encounter mechanics, SBA timing, Link Time, and positioning correctly.
Should AI companions use the same build as my main?
Not necessarily. AI benefits more from reliable conditions, survivability, straightforward weapon effects, useful stun, and skill sets the CPU can execute consistently.
Should AI characters use Glass Cannon?
Usually avoid it while progressing unless you specifically know the companion and encounter can handle the downside. Reliability generally matters more for CPU teammates.
Conclusion
The best Granblue Relink AI party is not simply the three strongest characters on a normal tier list.
You need characters whose mechanics work well under CPU control.
That distinction becomes even more important in Endless Ragnarok.
Eustace succeeds because range, precision, and sustained targeting translate exceptionally well to AI play. Siegfried succeeds because the CPU executes his timing-based combat with remarkable consistency while also adding stun and defensive value. Cagliostro succeeds because her support remains useful regardless of whether the AI performs a perfect DPS rotation.
That makes Eustace + Siegfried + Cagliostro one of the strongest all-purpose teams for current solo play.
When your account becomes strong enough that healing and extra safety are no longer necessary, switch Cagliostro for Fraux and turn the party into a much more aggressive damage setup.
Do not forget the older roster, either.
Eugen is still excellent.
Zeta remains strong when her AI setup is simplified.
Io gives useful ranged damage.
Maglielle can solve stun and support problems.
Tweyen provides ranged uptime and debuffs.
Rosetta can perform extremely well in fights that cooperate with her mechanics.
Seofon becomes dangerous in Link Time.
The bigger lesson is to build the AI for the AI.
Give companions weapon conditions they can maintain.
Give them enough HP to survive.
Do not overload their skill bars.
Invest in Stun.
Use Autorevive while learning difficult content.
Choose Master Traits that match CPU behavior rather than a manual rotation.
And do not replace an already-finished companion purely because somebody placed a newer character one position higher on a spreadsheet.
A developed, reliable CPU character is far more valuable than an unfinished meta pick.
Once your core AI trio has modern weapons, strong Sigils, Master Traits, Summons, useful stun, and enough survivability, Granblue Fantasy: Relink becomes remarkably solo-friendly—even deep into Chaos++ and Infinity.
For players who want additional help developing characters or progressing through difficult endgame content, BoostRoom can help you continue your Granblue Fantasy: Relink journey while you focus on the characters and encounters you enjoy most.