- Arkheron all sets: Ten Eternal item sets rotate through the loot pool each cycle, each containing four named items.
- Set bonuses: Equip 2 items for a partial bonus or all 4 for the full effect — plus the option to transform.
- Hybrid strategy: Mix two pairs from different Eternals to stack both partial set bonuses.
- Upgrades: Pick up duplicate items to upgrade Eternal gear up to three tiers.
- Warning: Transforming locks you into Eternal form for the entire match — commit carefully.
How Eternal Sets Work in Arkheron
Every match in Arkheron begins with your Echo as a blank slate. Your loadout consists of two weapons, one crown, and one amulet, and what you loot determines what you become. Among the 60+ items in the game, the most coveted are Eternal Items — sets of four items that belong to a specific Eternal, such as Hollow's Darkling Staff.
You can identify Eternal items on pickup because they carry a name, distinguishing them from generic Echo Items. There are ten Eternal item sets available in the loot pool during a given cycle, and Bonfire Studios rotates sets in and out over time to keep the meta fresh — so the sets you see today may not all be present next season.
| Item Type | How to Identify | Set Bonus | Transform | Upgradable |
|---|---|---|---|---|
| Echo Items | No name on pickup | None | No | No |
| Eternal Items | Named (e.g., "Hollow's Darkling Staff") | Yes, at 2 or 4 pieces | Yes, at 4 pieces | Yes, up to 3 tiers |
Scan every chest drop for named items. Even one Eternal piece you later trade or abandon is information — knowing which Eternal sets are in the current rotation shapes your entire looting path for the match.
Set Bonuses and the 2+2 Hybrid Strategy
Eternal set bonuses accrue in two tiers: equip two items from a set for a partial bonus, or all four for the full bonus. Crucially, you are not locked into a single Eternal. You can equip two items from two different Eternals and benefit from both partial set bonuses simultaneously.
This creates the core build tension in Arkheron: go 4-piece for transformation and the full set identity, or run 2+2 for flexibility and double partial bonuses without committing to a permanent form change.
| Build Style | Items Required | What You Get | Trade-off |
|---|---|---|---|
| Full Set (4-piece) | All 4 items from one Eternal | Full set bonus + transformation into the Eternal with a fifth unique ability | Locked in Eternal form for the rest of the match |
| Hybrid (2+2) | 2 items from each of two Eternals | Both partial set bonuses, flexible playstyle | No transformation, weaker set identity |
| Mixed Echo/Eternal | Any combination | Total freedom over synergies | Misses one of the partial bonuses |
Full Set Aggressor
- Best for: Teams with a clear frontline
- Transformation unlocks a fifth ability
- Full set bonus maximizes power
- High commitment, high payoff
2+2 Hybrid
- Best for: Flexible solo-minded players
- Stacks two partial bonuses
- Keeps normal weapon-swap playstyle
- Adapts to whatever loot you find
Echo/Eternal Mix
- Best for: Synergy hunters
- Over 60 items to combine freely
- Best raw item-quality options
- No set bonus safety net
If you equip all four items from an Eternal set and choose to transform, you stay in that form for the remainder of the match. There is no reverting, so make sure your team benefits from the transformation before you commit.
Upgrading Eternal Items Step by Step
Eternal Items can be upgraded up to three tiers to unlock additional potency, and the upgrade system rewards coordinated teams. You upgrade by picking up an additional copy of an item you are holding — and you can also pick up a copy of an item your teammate is holding to upgrade theirs directly.
Secure Your Core Items
Loot chests and floor drops early, prioritizing named Eternal pieces that fit your intended build. Communicate which set you are chasing so teammates don't contest your loot.
Complete the Set or Pair
Decide between 4-piece or 2+2 based on what the floor offers. Use Shrines and your fragments (capped at 1,200) to buy items that complete your build.
Stack Duplicate Copies
Pick up duplicates of your held items to upgrade them tier by tier, up to three tiers of additional potency.
Upgrade for Teammates
Grab copies of items your teammates hold to push their upgrades. This is the fastest way to power up your whole squad before the final 3v3 floor.
Commit (or Don't)
With a full set upgraded, decide whether transforming into the Eternal — and its fifth ability — is worth locking your form for the rest of the match.
Assign one teammate as the "duplicate courier." Having a dedicated player scoop up copies for the squad's carries turns loose floor loot into guaranteed tier upgrades before the fourth-floor showdown.
Playing Sets Around Arkheron's Systems
Your set choices don't exist in a vacuum — they interact with every system in the Tower, from the Empowered buff (30% less damage taken, 30% more dealt) to revives, Rifts, and Shrines.
| Tower System | How It Interacts With Your Build |
|---|---|
| Empowered | Filling the bar requires damage and ability healing — consumables and anchors don't count, so favor sets with sustained combat output |
| Death & Revive | Executed players drop all gear; a carried Eternal set can be lost, guard your loadout |
| Shrines | Spend fragments on items that complete your set or revive teammates at a cost |
| Challenge Rifts | 3v3 arena battles; only 4 rift tokens per floor, winners ascend automatically with mythic chest rewards |
| Weapon Swapping | Hybrid 2+2 builds lean heavily on frequent weapon swaps to minimize cooldown downtime |
Before risking an Ascension match, take your target sets into Training Mode. Experiment with item synergies against dummies, or bring up to six players into the sparring room for 1v1 through 3v3 practice with real builds.
Set Mastery Checklist:
- Identify all named Eternal items in the current rotation
- Land a full 4-piece set with transformation in one match
- Win a match using a 2+2 hybrid build
- Upgrade an Eternal item to tier 3
- Upgrade a teammate's item with a duplicate pickup
FAQ
Q: How many Eternal sets are in Arkheron at once?
Ten Eternal item sets are available in the loot pool during a given cycle. Bonfire Studios rotates sets in and out over time to keep the meta fresh, so the available Arkheron all sets lineup can change between cycles.
Q: Can I mix items from different Eternal sets?
Yes. You can equip two items from each of two different Eternals to benefit from both partial set bonuses. This 2+2 hybrid approach is a popular alternative to committing to a full four-piece set.
Q: What happens when I collect all four items from one set?
You unlock the full set bonus and gain the option to transform into that Eternal, which grants a fifth unique ability. However, the transformation lasts for the remainder of the match — you cannot revert.
Q: How do I upgrade Eternal items?
Pick up an additional copy of an item you're holding to upgrade it, up to three tiers. You can also pick up a copy of an item your teammate is holding to upgrade their gear directly.