
Arsonist
Effects
- Explosions leave a puddle of fire that scales with explosion size, dealing 4x4 (+100% Elemental Damage) burning damage
- 50% chance for enemies dying while burning to leave a puddle of fire dealing 4x4 (+100% Elemental Damage) burning damage
- +5% Speed
- Melee Damage modifications are reduced by 100%
- Ranged Damage modifications are reduced by 100%
- Engineering modifications are reduced by 100%
- Unlock
- Have 12 fire puddles on the ground at the same time (The Floor Is Lava)
- Winning a run unlocks
- Magma Boots (item)
Build
- Community build
- Make everything explode: Shredder or Sticky Grenade early with Attack Speed, then Fireball and other explosive or elemental weapons. Buy explosion and Elemental Damage items and some defence for the slow early burn.
- Core weapons and items
- Stats to buy
- Elemental Damage
- Top weapons at the reference profile
- Icicle IV, Plasma Sledge IV, Taser IV
Full Arsonist buildSynergies: Burning synergies
Starting weapons
Pick one of 8 weapons. Weapons marked with a DLC name appear only when that DLC's Item Set is on.
Lightning Shiv
Molotov Cocktail Primal Dread
Plank
Screwdriver
Shredder
Sticky Grenade Primal Dread
Torch
Wand
Shop restrictions
- Item groups never offered: melee damage, ranged damage, melee and ranged damage.
- Level-up upgrades never offered: upgrade melee damage, upgrade ranged damage.
- Engineering upgrades can no longer appear (12 November patch).
How Arsonist plays
Explosions leave a puddle of fire that scales with explosion size, and enemies that die while burning have a 50% chance to leave one too. Each puddle deals 4×4 burning damage plus 100% of Elemental Damage.
Melee Damage, Ranged Damage and Engineering modifications are reduced by 100%, Melee and Ranged Damage items are removed from its shops, and since 12 November Engineering upgrades no longer appear. Elemental Damage is the stat that matters.
Players report wins with Wands and Icicle, with Sticky Grenades upgraded toward explosive builds, and with Shredders, which are explosive. One Steam guide uses Arsonist with un-upgraded Shredders to finish a boss with fire puddles for the Well Done challenge.
Winning unlocks Magma Boots.
Sources
- Brotato Wiki, Arsonist: effects, unlock and starting weapons from the game files.
- Steam discussion, best Arsonist weapons
- Steam guide, Well Done achievement
Reviewed against PC 1.2 and the 12 November patch.


