Home Items Greataxe Hellfire Greataxe Hellfire Greataxe is an item of Very Rare rarity. Type: Greataxe · Martial Weapon. Damage: 1d12 Slashing. Recorded sources: Act 3 · Lower City · Purchase. See acquisition details below for conditions. Weight 3.15, Value 960 gold. Passives: Thermodynamo. Granted abilities: Lacerate, Cleave, Prepare, Hellflame Cleave.
1d12 Slashing
Weapon Enchantment +2
Thermodynamo: Whenever you deal damage with this weapon, you gain 2 turns of
Lacerate
Action
Cleave
Action
Prepare
Movement Speed 6
Hellflame Cleave
Action
Anything hit by this has the life expectancy of a glass hammer.
How to obtain
Act 3
Purchase
Lower City
Effect
Heat deals Fire damage to its bearer, but Heat Convergence can spend it to improve subsequent Fire damage.
Stage 3 · Combining effects Equipment and stacking
With Heat Convergence enabled, the remaining Heat is consumed to add Fire damage. Merely gaining Heat does not guarantee the same bonus on every attack.
The self-damage is real and can threaten Concentration. Consider how you gain Heat, what will spend it, and how you will handle the damage you take.
Read first Stacking Concentration Resistance, Vulnerability, and Immunity Sources and review date Reviewed: 2026-09-14
Derived from game data
When does it stack, and who receives it? Start here Read What changes with each stack? Read How long does it last? Read When and how is Heat consumed? Read When is it useful, and what should you watch for? Read Expand all answers
Effect permalink
When an item's specified trigger is met, it applies Heat.
Based on in-game text
Trigger source Thermodynamo
Whenever you deal damage with this weapon, you gain 2 turns of Trigger context OnDamageApplies to Self Application condition AttackedWithPassiveSourceWeapon()Application chance 100% Application duration 2 turns
Heat does not add a separate roll modifier per stack; its stacks are tied to using Heat Convergence.
Derived from game data
Roll example Trigger threshold not implemented. Deals 1d4 Fire damage when triggered. Game status key MAG_FIRE_HEATIn-game text Engulfed by a vengeful fire. Takes 1d4 Fire damage each turn, but can use Heat Convergence . Why are remaining turns and stacks shown together? Read
Repeated effects may grow stronger, last longer, replace one another, or fail to combine.
Stage 3 · Combining effects Equipment and stacking
For conditions such as Radiating Orb, remaining turns also affect strength. In contrast, repeated resistance does not keep halving damage.
Check whether the effect stacks and whether it has a cap. A shared display name does not mean the values from every variant can be added together.
Read first Turns and rounds Resistance, Vulnerability, and Immunity Sources and review date Reviewed: 2026-09-14
Derived from game data
The game data below distinguishes an entry's listed duration from the duration actually applied.
Derived from game data
Status duration 2 turns Game status key MAG_FIRE_HEATIn-game text Engulfed by a vengeful fire. Takes 1d4 Fire damage each turn, but can use Heat Convergence .
The conditions for consuming Heat and the Fire damage it deals are specified in the game data below.
Derived from game data
Threshold The game data does not specify a numeric threshold. At the threshold 1d4 Fire Roll example Trigger threshold not implemented. Deals 1d4 Fire damage when triggered. Game status key MAG_FIRE_HEATIn-game text Engulfed by a vengeful fire. Takes 1d4 Fire damage each turn, but can use Heat Convergence .
Use Heat Convergence to add Fire damage, while accounting for the damage Heat itself deals and the consumption condition.
Codex commentary
Technical details — 3 effects without commentary MAG_FIRE_HEAT_CHARGE_UP_TECHNICAL, MAG_Fire_HeatOnWeaponDamage_Passive, MAG_FIRE_HEAT_ONCE_TECHNICAL
Equip in build
‹ Sethan Greataxe Greataxe +2 ›
Heat.
Lacerate
Action
Cleave
Action
Prepare
Movement Speed 6
Hellflame Cleave
Action
