Element Fission Gear Guide – Equipment, Stats, Luck Rate, and Upgrades

How Gear Works in Element Fission

Element Fission equipment is built around several separate properties:

• gear quality;

• star grade;

• equipment slot;

• main stat;

• substats;

• innate stat;

• gear set;

• power-up level.

Understanding the difference between these systems is important.

A piece with a high quality may begin with more substats, but its star grade determines how far it can be upgraded. At the same time, a piece with the correct main stat can be more valuable than a higher-quality item with a main stat that does not fit the Elemon.

The goal is therefore not simply to equip the highest-quality gear you own.

The goal is to find equipment where slot, main stat, substats, set effect, and Elemon role all work together.

Element Fission Gear Quality

There are six gear quality levels.

Quality determines how many substats a piece starts with.

Normal: 0 substats

Uncommon: 1 substat

Premium: 2 substats

Expert: 3 substats

Legendary: 4 substats

Brilliant: 5 substats

This makes higher-quality gear attractive because more of the item's potential is visible immediately. A Brilliant piece already starts with five substats, while a lower-quality piece has fewer starting substats and can gain additional ones through upgrades.

Why Quality Matters

Imagine two pieces with the same slot and main stat.

One is Uncommon and another is Legendary.

The Legendary piece begins with more substats, giving you much more information about whether the item fits your build.

More starting substats also create more opportunities for useful combinations such as:

• Speed + Accuracy;

• ATK% + Crit Rate + Crit Damage;

• HP% + DEF% + Resistance;

• Speed + HP% + Accuracy;

• Luck Rate combined with useful dungeon stats.

Quality is important, but it should never be evaluated alone.

A Brilliant piece with the wrong main stat and poor substats can still be worse than a lower-quality piece with exactly the stats your Elemon needs.

Gear Star Grades

Element Fission gear also has a separate star grade.

Star grade determines the item's maximum power-up level.

1-Star: maximum +3

2-Star: maximum +6

3-Star: maximum +9

4-Star: maximum +12

5-Star: maximum +15

This distinction between quality and star grade is important.

Quality determines the number of starting substats.

Star grade determines how many upgrade milestones the item can reach.

A 5-star piece therefore has the greatest upgrade ceiling.

Understanding the Six Gear Slots

Equipment uses six slots.

Slots are not interchangeable because different slots have different possible main stats.

Slots 1, 3, and 5 have fixed main stats.

Slots 2, 4, and 6 offer more build customization.

Slot 1 – Fixed ATK

Slot 1 always has ATK as its main stat.

Because the main stat is predetermined, your decision is mostly based on:

• quality;

• star grade;

• set;

• substats;

• innate stat.

For a damage dealer, offensive substats make the piece more attractive.

For a support, Speed, HP%, DEF%, Accuracy, or other utility substats may matter more.

Slot 3 – Fixed DEF

Slot 3 always has DEF as its main stat.

Again, the important differences come from the substats, quality, and set.

Do not automatically assume a DEF-main piece is only useful for tanks. Every Elemon uses the slot, so the real question is what additional stats it provides.

Slot 5 – Fixed HP

Slot 5 always has HP as its main stat.

Just like slots 1 and 3, you should primarily evaluate the item's:

• substats;

• star grade;

• quality;

• set;

• innate stat.

Slot 2 Main Stats

Slot 2 can roll:

• SPD;

• ATK%;

• flat ATK;

• HP%;

• flat HP;

• DEF%;

• flat DEF;

• Luck Rate.

This makes Slot 2 one of the most important gear slots in the game.

Speed Main Stat

SPD is extremely important for:

• Initiators;

• controllers;

• supports;

• PvP Elemons;

• teams with strict turn order.

If an Elemon must act before another unit, a Slot 2 SPD piece can be central to the entire build.

Percentage Main Stats

ATK%, HP%, and DEF% can also be valuable when raw Speed is not the priority.

Use them according to the Elemon's job.

Luck Rate Main Stat

Slot 2 is also where Luck Rate can appear as a main stat.

That makes it particularly important for dungeon farming builds where maximizing drop quality matters.

Slot 4 Main Stats

Slot 4 can roll:

• ATK%;

• flat ATK;

• DEF%;

• flat DEF;

• HP%;

• flat HP;

• Crit Rate;

• Crit Damage.

This is one of the key offensive customization slots.

Crit Rate

Crit Rate is valuable for Elemons that depend on critical hits.

However, do not simply maximize Crit Rate beyond what your build needs.

Once an Elemon reaches the required threshold, additional stats may produce more value elsewhere.

Crit Damage

Crit Damage is powerful for Nukers and other damage dealers that already have enough Crit Rate to attack consistently.

ATK%

ATK% is a strong general option for many damage dealers.

Whether it beats Crit Damage depends on the Elemon's kit, existing stats, buffs, and overall build.

HP% and DEF%

These are valuable for:

• tanks;

• supports;

• control units;

• bruisers;

• Elemons whose skills interact with defensive stats.

Slot 6 Main Stats

Slot 6 can roll:

• ATK%;

• flat ATK;

• DEF%;

• flat DEF;

• HP%;

• flat HP;

• Resistance;

• Accuracy.

Slot 6 is especially important for control and support builds.

Accuracy

Accuracy matters when an Elemon needs its debuffs or control effects to land reliably.

Examples include units responsible for:

• DEF Down;

• disabling;

• ATK-bar manipulation;

• other important debuffs.

A controller that acts quickly but cannot consistently apply its effects may fail its main job.

Resistance

Resistance can be useful for Elemons that need to remain functional despite enemy debuffs and disruption.

It is particularly relevant to durable PvP and support builds.

Percentage Stats

Damage dealers may prefer ATK%, while tanks and defensive supports may benefit from HP% or DEF%.

Flat Stats vs Percentage Stats

Element Fission contains both flat and percentage versions of several stats.

For example:

• ATK and ATK%;

• DEF and DEF%;

• HP and HP%.

Current FissionHub guidance recommends percentage main stats on slots 4 and 6 in the vast majority of cases, while Slot 2 usually favors SPD or an appropriate percentage stat. One noteworthy exception is a strong 5-star piece whose substats justify keeping it despite an unusual main-stat combination.

For most developed Elemons, percentage scaling generally gives better long-term value than relying heavily on flat main stats.

Flat substats should still be evaluated in context rather than automatically discarded.

Understanding Gear Substats

Substats provide additional bonuses beyond the main stat.

Current documented base roll ranges are:

Luck Rate: 2–3%

Flat ATK / DEF: 18–25

Flat HP: 220–300

Speed / Accuracy / Resistance / Crit Rate: 4–6%

Crit Damage / ATK% / DEF% / HP%: 5–7%

These ranges are important when evaluating gear.

A piece may have the correct substat but roll at the bottom of its possible range.

Another piece may begin with strong rolls and then receive several upgrade increases into the exact stat you want.

That is why two Legendary pieces with the same listed substats can eventually have very different value.

What Makes a Good Substat?

There is no universally best substat.

The best substats depend on what the Elemon is supposed to do.

Damage Dealer

Common priorities include:

• ATK%;

• Crit Rate;

• Crit Damage;

• Speed.

Controller

Common priorities include:

• Speed;

• Accuracy;

• HP%;

• DEF%.

Support

Useful stats often include:

• Speed;

• HP%;

• DEF%;

• Resistance;

• Accuracy when relevant.

Tank

Common priorities include:

• HP%;

• DEF%;

• Resistance;

• enough Speed for the intended role.

Dungeon Farmer

The build may need a combination of:

• Luck Rate;

• Speed;

• survivability;

• Accuracy;

• damage.

The correct balance depends on the encounter.

Innate Stats Explained

Gear can potentially have an additional Innate Stat.

An innate stat is separate from normal substats.

A particularly important restriction is that the innate stat cannot appear again as a regular substat on that piece.

Innate stats also cannot be:

• modified;

• increased;

• removed.

This makes innate stats an important part of gear evaluation.

A useful innate can effectively provide extra value without competing directly with normal upgrade rolls.

But because it cannot be changed, a bad innate cannot simply be repaired later.

How Gear Upgrades Work

Gear improves through power-ups.

At every +3 upgrade milestone, a random substat is either:

• increased;

• or added to the item.

This means upgrade results have a major influence on whether a piece becomes excellent or disappointing.

A promising item can become extremely strong if several upgrades land on its best stat.

The same item can lose much of its potential if the upgrades repeatedly land on an unwanted substat.

Why Upgrade Milestones Matter

Because something happens every +3 levels, you can evaluate the item as you upgrade it.

For 5-star gear, the important points are:

+3 → +6 → +9 → +12 → +15

You do not need to treat every promising item as automatically deserving +15.

Check what happens to the substats.

If a damage piece repeatedly upgrades an irrelevant defensive stat, it may no longer justify further investment.

If an item repeatedly rolls Speed, Crit, Accuracy, or another key stat for the intended build, its value increases considerably.

When Should You Upgrade Gear to +15?

A +15 investment is easiest to justify when the piece has:

• 5-star grade;

• the correct main stat;

• a useful gear set;

• several relevant substats;

• strong upgrade rolls;

• a clear purpose on an Elemon.

Avoid upgrading random gear simply because it is available.

Gold is used heavily for gear upgrades, so efficient equipment decisions prevent unnecessary resource waste.

Don't Judge Gear Before Testing Its Rolls

Some items are obviously bad immediately.

Others need several upgrade milestones before their real potential becomes clear.

For example, imagine a piece starts with:

• Speed;

• Accuracy;

• HP%;

• DEF%.

That can be very attractive for a controller.

If several upgrades land in Speed or Accuracy, the piece becomes even stronger.

If every upgrade lands in a stat the build barely uses, you may eventually replace it.

The important principle is:

Judge gear by the complete build it creates, not only by its starting quality.

Understanding Luck Rate

Luck Rate is one of the most distinctive equipment stats in Element Fission.

It improves the quality of items dropped in supported content.

Current progression documentation identifies Luck Rate as relevant in:

• Crazy Dungeon

• Abyss

• Mental Fortress

This makes Luck Rate extremely valuable for dungeon-focused Elemons.

Unlike a straightforward damage stat, Luck Rate improves farming efficiency by affecting the quality of potential rewards.

Why Luck Rate Matters So Much

Consider two teams.

Team A clears slightly faster but has very little Luck Rate.

Team B clears reliably while carrying significantly more Luck Rate.

If the content is affected by Luck Rate, Team B can potentially generate better-quality drops despite not having the absolute fastest clear.

This changes how endgame farming teams are built.

The goal is not always:

Maximum Damage

It can instead become:

Reliable Clear + Required Stats + Maximum Practical Luck Rate

That distinction is important.

Don't Sacrifice Reliability for Luck Rate

Luck Rate is valuable only when the team can complete the content consistently.

A failed run gives you no benefit from the additional Luck Rate.

The correct priority is:

Clear the encounter reliably first.

Then begin replacing excess combat stats with Luck Rate while maintaining the team's required breakpoints.

This creates what can be thought of as a Luck budget.

Every Elemon needs enough:

• Speed;

• Accuracy;

• damage;

• HP;

• DEF;

• other encounter-specific stats.

Anything beyond those requirements may offer an opportunity to add more Luck Rate.

Luck Rate Breakpoints Can Be Elemon-Specific

Luck Rate is not exclusively a loot stat in every context.

Certain Elemon mechanics can also rely on reaching a specific amount.

For example, current progression documentation identifies a 66% Luck Rate requirement for Fire Clockwerk in an advanced setup so it can apply all required buffs.

That is an important distinction.

When building gear, always determine whether Luck Rate is being used for:

• better drop quality;

• an Elemon-specific mechanic;

• or both.

Do not blindly copy another player's Luck Rate number without understanding why that number exists.

Luck Rate vs Speed

Speed and Luck Rate can compete directly because both can be important on Slot 2.

For general PvP and many support builds, SPD main stat may be far more important.

For dungeon Elemons whose basic combat requirements are already satisfied, Luck Rate main stat can become attractive.

The correct choice depends on whether the Elemon can still:

• act at the required point;

• survive;

• land its effects;

• meet the encounter's mechanics.

Never trade away a mandatory Speed threshold merely to increase Luck Rate.

Luck Rate vs Damage

The same principle applies to damage.

A Nuker still needs enough damage to perform its job.

If replacing an offensive stat with Luck Rate means your damage dealer can no longer defeat the required target, the extra Luck is counterproductive.

First reach the damage requirement.

Then optimize remaining gear space for farming value.

Gear Sets in Element Fission

Gear sets are another major part of equipment building.

Several important sets become particularly relevant through dungeon progression.

Current progression guidance highlights Swift, Inspire, and Bash as some of the most important sets obtained through Boxing Club.

Another set mentioned in Boxing Club strategy is Steady, where its buff-related utility can help deal with the encounter's glancing-hit mechanic.

The exact set you choose should support the Elemon's job.

Do not equip a set purely because it is popular.

Swift Gear

Swift is one of the important early gear sets highlighted in progression resources.

Speed-focused gearing is particularly relevant to:

• Initiators;

• controllers;

• supports;

• PvP units;

• strict dungeon turn orders.

When evaluating a Swift piece, pay close attention to whether its main and substats actually support the Elemon you intend to build.

A poor Swift item does not automatically beat a strong off-set piece.

Inspire Gear

Inspire also has important practical applications.

Current progression guidance specifically recommends equipping farming Wisps with Inspire Gear to help increase the damage of the story farmer.

This is a good demonstration of gear-set strategy.

The set may not exist primarily to make the Wisp itself powerful. Instead, it improves the performance of the team as a whole.

That is exactly how support gear should be evaluated.

Bash Gear

Bash is another key Boxing Club gear set.

Its value is more control-oriented, making it relevant when your strategy benefits from additional disruption rather than pure offensive stats.

As with every set, the actual piece still needs reasonable stats.

Do not keep weak equipment indefinitely merely because it completes Bash.

Steady Gear

Steady is specifically highlighted as useful around Boxing Club's mechanics.

The Boxing Club boss can cause glancing hits, while buffs reduce the chance of this happening. Steady gear can help provide relevant buff support for the encounter.

This illustrates an important rule:

Sometimes a gear set is valuable because it interacts with a boss mechanic rather than because it provides the highest sheet stats.

Set Bonus vs Better Individual Gear

Players often become too attached to completing sets.

A set bonus matters, but so do:

• Speed thresholds;

• Accuracy;

• Crit Rate;

• damage;

• HP;

• DEF;

• Luck Rate.

If forcing a particular set causes your controller to become too slow or your Nuker to lose too much damage, the complete build may become worse.

Evaluate the final Elemon, not the equipment piece in isolation.

Gear for Damage Dealers

A typical damage-oriented build should focus on the stats required by the Elemon's kit.

Common priorities are:

• ATK%;

• Crit Rate;

• Crit Damage;

• Speed.

Crit Rate First

If an important attack needs critical hits, reach the required Crit Rate before aggressively stacking Crit Damage.

Current advanced team guidance provides a practical example: Tree Gunslinger can require at least 55% Crit Rate in a documented Juggernaut setup.

The point is not that every Gunslinger needs exactly 55%.

The point is that gear should be built around specific combat requirements.

Then Improve Damage

Once critical consistency and required Speed are covered, increase the stats that improve actual damage output.

Gear for Controllers

Controllers need reliability.

Useful priorities often include:

1. Speed

2. Accuracy

3. survivability

4. additional utility

There is little value in building enormous damage on a controller if it acts too late or fails to land its key debuff.

Slot 2 SPD and Slot 6 Accuracy can therefore become particularly valuable.

Gear for Supports

Support Elemons often need to act at a precise point in the team's sequence.

Prioritize:

• Speed;

• HP%;

• DEF%;

• Resistance;

• Accuracy where relevant.

Some supports also benefit heavily from set effects that improve other members of the team.

Remember that the support's personal stats are only part of its value.

Gear for Tanks

Tanks generally want to remain alive and continue protecting or disrupting.

Common priorities include:

• HP%;

• DEF%;

• Resistance;

• useful Speed;

• role-specific utility.

A tank should still have enough Speed to perform whatever action the team requires.

Pure durability is not always sufficient.

Gear for PvP

PvP equipment is highly sensitive to turn order.

Important priorities commonly include:

• Speed;

• Accuracy;

• Resistance;

• survivability;

• burst damage on Nukers.

A PvP team's equipment should be planned together.

If your Specialist needs to move before Twinblade, their relative Speed matters more than either unit's isolated Speed number.

The same logic applies to:

• buffs before damage;

• debuffs before Nukers;

• control before enemy threats act;

• protection before vulnerable teammates are exposed.

Gear for PvE

PvE gear is more encounter-specific.

You may need to reach particular thresholds for:

• Speed;

• Crit Rate;

• Accuracy;

• damage;

• Luck Rate;

• survivability.

Once the required thresholds are reached, additional stats can be directed toward:

• faster clears;

• greater stability;

• higher Luck Rate.

PvE optimization is often about removing wasted stats.

Gear Converters and Substat Changes

Element Fission also provides a way to improve gear through Converters.

Current progression guidance identifies Acidic Ooze as an important source of converters used to change gear substats.

This makes strong gear with one weak substat much more interesting.

A piece does not necessarily need to drop perfectly.

If its:

• main stat is correct;

• star grade is high;

• set is useful;

• most substats are strong;

then substat conversion may provide another way to improve it.

Which Gear Should You Keep?

A practical gear evaluation can follow five questions.

1. Is the Main Stat Useful?

For slots 2, 4, and 6, this is one of the first filters.

Examples of attractive combinations include:

• Slot 2 SPD;

• Slot 2 Luck Rate for appropriate dungeon builds;

• Slot 4 Crit Rate or Crit Damage for Nukers;

• Slot 4 ATK% for damage;

• Slot 6 Accuracy for controllers;

• Slot 6 HP% or DEF% for defensive builds.

2. Is the Star Grade High Enough?

Higher star grade provides more upgrade potential.

A 5-star item can reach +15, giving it the highest ceiling.

3. Does the Quality Give It Good Potential?

Legendary and Brilliant pieces begin with many visible substats.

But lower-quality pieces can still be worth testing when they have an excellent main stat and useful starting rolls.

4. Do the Substats Match a Real Role?

Look for combinations that make sense.

For example:

Damage piece: ATK%, Crit Rate, Crit Damage, Speed

Control piece: Speed, Accuracy, HP%, DEF%

Tank piece: HP%, DEF%, Resistance, Speed

Dungeon piece: Luck Rate plus whatever stats are needed to clear reliably

5. Did the Upgrades Roll Well?

A promising starting piece can still become mediocre.

Likewise, a less impressive item can become excellent after several upgrades land in one valuable stat.

Which Gear Should You Sell?

Selling gear becomes easier when you evaluate the whole item rather than only its rarity.

Pieces become stronger sell candidates when they combine several problems:

• poor main stat;

• low star grade;

• weak substats;

• substats that do not work together;

• poor upgrade rolls;

• no realistic Elemon that needs the piece;

• a set you already have much better versions of.

Avoid selling purely because a piece is not immediately useful.

A Speed-heavy support item or high-Luck dungeon piece may become extremely valuable when you build another Elemon later.

Common Element Fission Gear Mistakes

Upgrading Everything

Gear upgrades cost resources.

Test promising pieces rather than automatically maximizing every drop.

Looking Only at Quality

Brilliant does not automatically mean best.

Main stat, substats, star grade, set, and upgrade rolls all matter.

Ignoring Star Grade

A lower-star piece has a lower upgrade ceiling.

Always check both quality and star grade.

Using the Wrong Main Stat

A beautiful set of substats cannot always rescue an inappropriate Slot 2, 4, or 6 main stat.

Chasing Sets at Any Cost

Completing a set while destroying important Speed, Accuracy, damage, or survivability thresholds may make the Elemon worse.

Ignoring Speed Order

Gear affects how the entire team acts.

A damage dealer moving before its setup can waste a strong equipment build.

Stacking Crit Damage Without Enough Crit Rate

Crit Damage only produces consistent value when the Elemon can actually crit reliably.

Stacking Accuracy on an Elemon That Doesn't Need It

Every stat has an opportunity cost.

Do not invest heavily in Accuracy when the Elemon is not responsible for landing important effects.

Maximizing Luck Rate Before the Team Works

A high-Luck team that fails is not an efficient farming team.

Keep the stats required to clear first.

Selling High-Speed Gear Too Quickly

Speed is one of the most broadly useful stats for PvP, control, supports, and strict PvE turn orders.

A strong Speed roll can make an otherwise unusual piece worth saving.

How to Improve a Finished Gear Build

When an Elemon is already functioning, optimization becomes easier.

Ask:

What stat is currently limiting this build?

If the Elemon is too slow, improve Speed.

If debuffs fail too often, investigate Accuracy.

If the Nuker misses damage requirements, improve offensive stats.

If the team dies, improve survivability.

If the dungeon team already clears easily, look for opportunities to increase Luck Rate.

This approach is more efficient than chasing a generic idea of “perfect gear.”

Element Fission Gear FAQ

What is the highest gear quality?

Brilliant is the highest documented gear quality and starts with five substats.

What is the highest gear upgrade level?

5-star gear can be upgraded to +15. Lower-star gear has lower maximum upgrade levels.

How often does gear gain an upgrade roll?

At every +3 power-up milestone, a random substat is increased or a new substat is added.

Which gear slots have fixed main stats?

Slots 1, 3, and 5 have fixed main stats:

• Slot 1: ATK

• Slot 3: DEF

• Slot 5: HP

Which slot can have Speed as a main stat?

Slot 2 can roll SPD as its main stat.

Which slot can have Luck Rate as a main stat?

Slot 2 can also roll Luck Rate as its main stat.

Which slot can have Crit Rate or Crit Damage?

Slot 4 can roll Crit Rate and Crit Damage.

Which slot can have Accuracy or Resistance?

Slot 6 can roll Accuracy or Resistance.

What does Luck Rate do?

Luck Rate increases the quality of dropped items in supported content, including Crazy Dungeon, Abyss, and Mental Fortress.

Should every dungeon Elemon maximize Luck Rate?

Not before meeting the requirements needed to clear reliably.

Maintain required damage, Speed, Accuracy, and survivability first, then increase Luck Rate where possible.

What are important early gear sets?

Current progression guidance identifies Swift, Inspire, and Bash as particularly important gear sets associated with Boxing Club progression.

Is Inspire Gear useful for farming?

Yes. Current progression guidance specifically uses Inspire Gear on supporting Wisps to improve a story farmer's performance.

Can gear substats be changed?

Converters obtained through relevant progression content can be used to change gear substats.

Is 5-star gear always better?

Not automatically.

A 5-star item has the best upgrade ceiling, but the main stat, substats, quality, set, innate stat, and upgrade rolls determine whether the piece is actually useful.

Final Thoughts

Gear progression in Element Fission is about building equipment for a specific job, not simply equipping the rarest pieces.

Start by understanding the six slots. Slots 1, 3, and 5 have fixed ATK, DEF, and HP main stats, while 2, 4, and 6 provide the customization that defines most builds.

Then evaluate quality and star grade separately. Quality determines how many substats an item begins with, while star grade determines how far it can be upgraded.

For damage dealers, prioritize the offensive stats and Speed needed to perform their job. Controllers usually care more about Speed and Accuracy. Supports and tanks need the survivability and turn order required by their team.

For PvE farming, Luck Rate becomes especially important because it can improve item quality in Crazy Dungeon, Abyss, and Mental Fortress. But Luck Rate should be optimized only after the team can clear reliably.

Most importantly, do not judge a piece from one number. The best gear combines the correct main stat, set, substats, star grade, upgrade rolls, and role into a build that actually helps the Elemon perform.