Burning synergies
Burning damage per tick is round(trunc(base + Elemental Damage × scaling) × (1 + %Damage/100)). Burning from different weapons does not stack: the strongest burn is kept unless you own Pyromaniac.
Effects that reward it Scanned from game-file effects
Eyes Surgery itemBurning activates 20% faster
Fried Rice item+1 HP Regeneration for every currently burning enemy
Frozen Heart itemBurning activates 100% slower
Greek Fire itemBurning deals an additional 10% of current enemy HP as damage (1% for bosses and elites)
Pyromaniac itemBurning from your different weapons stacks instead of only keeping the strongest one
Snake itemBurning spreads to an additional nearby enemy
Spoon weaponAlways crits when hitting burning targets
Torch weaponBurning spreads to an additional nearby enemy (T3, T4)
Sources
Blazemander itemSpawns a Blazemander pet that deals 1 (+1% Elemental Damage) damage. Every 4 seconds, it shoots burning projectiles in all directions, each dealing 1 (+1% Elemental Damage) damage. Enemies hit by any of these attacks take 5x3 (+50% Elemental Damage) burning damage
Incendiary Turret itemSpawns a turret that shoots flames dealing 8x5 (+33% Engineering) burning damage
Magma Boots itemYou leave a trail of fire behind you that deals 5x3 (+100% Elemental Damage) burning damage- Scared Sausage itemAttacks have a 25% chance to deal 3x1 (+100% Elemental Damage) burning damage
Flaming Brass Knuckles weaponDeals 5x10/6x15/7x18 (+100% Elemental Damage) burning damage
Wrench weaponSpawns a turret that shoots flames dealing 8x5 (+33% Engineering) burning damage
Carbon Bow weaponDeals 3x3/5x5/6x8/9x12 (+100% Elemental Damage) burning damage
Fireball weaponDeals 5x3/6x4/8x5 (+100% Elemental Damage) burning damage
Flamethrower weaponDeals 3x1/5x3/8x5 (+100% Elemental Damage) burning damage
Molotov Cocktail weaponCreates a pool of fire on impact for 3/3.5/4/4.5 seconds, dealing 4x3/4x4/5x5/5x7 (+100% Elemental Damage) burning damage
Particle Accelerator weaponDeals 8x8/10x10 (+100% Elemental Damage) burning damage
Wand weaponDeals 3x3/5x5/6x8/9x12 (+100% Elemental Damage) burning damage
Characters
ArsonistExplosions leave a puddle of fire that scales with explosion size, dealing 4x4 (+100% Elemental Damage) burning damage
Chef+200% damage from non elemental sources against burning targets
Rule source
The stacking rule is datamined from the recovered game code (weapon_service.gd); no 1.2 patch note changes it. Effects come from the game-file tables with the 12 November 2026 patch.
Reviewed . PC 1.2.