UNHUMAN // WIKI
Mythic Abilities

Fatal Error

Epic · Combat
Epic
~2% per hit: glitch surge deals 5% of enemy max HP (boss included)

Mechanics

TriggerOn hit
RarityEpic
CategoryCombat
RestrictionMythic weapons.
Each hit has about a 2% chance to deal 5% of the enemy maximum HP. It is no longer an instant kill.
~2% proc chance / hit5% enemy max HP
Boss behaviorWorks on bosses.

How To Get It

Randomly rolled on compatible Mythic gear

Mythic Ranged Weapons + Mythic Melee Weapons can roll this ability when the Mythic item is generated. It can also appear when rolling an unlocked Mythic ability slot on compatible gear.

10% Epic tier before compatible-pool selection. This is the rarity-tier roll, not the final chance for this specific ability.

Compatible Mythic Gear

Compare this ability

Patch History 2

Structured changes detected for this entry across saved game snapshots.

Changed 19 Aug 2026, 00:027 changes ⌄
Acquisition.Method
BeforeNot set→AfterRandom Mythic ability roll
Acquisition.GearTypes
BeforeNot set→After["ranged_weapon","melee_weapon"]
Acquisition.InitialRoll
BeforeNot set→Aftertrue
Acquisition.AbilitySlotRoll
BeforeNot set→Aftertrue
Acquisition.InitialRarityWeight
BeforeNot set→After10
Acquisition.InitialRarityWeightTotal
BeforeNot set→After100
SearchTextExtra
BeforeNot set→AfterRanged Weapon Melee Weapon
View snapshot changes →
Changed 17 Aug 2026, 15:351 change ⌄
Description
Before~2% per hit to disintegrate the enemy (boss included)→After~2% per hit: glitch surge deals 5% of enemy max HP (boss included)
View snapshot changes →

Official update mentions