Firebrand Warhammer
Source: Critical Role
Weapon (warhammer), ??? (requires attunement)
Firebrand Warhammer is a giant, black jagged warhammer that belonged to the duergar general. The warhammer has a +1 bonus to attack and damage rolls. The wielder can set the weapon on fire at will. While it is on fire, it deals an extra 1d6 fire damage.