Big Boom Gun

Developed by a goblin weaponsmith who missed the "hand" part of "hand cannon," this comically oversized gun has a heavily reinforced barrel and is loaded with a worrisome quantity of gunpowder. This hand cannon is a martial weapon instead of a simple weapon. It has the fatal d12 trait and a range increment of 20 feet. It also has the following modified critical failure condition.

Critical Failure The attack misses, the weapon misfires, and you take 1d12 fire damage as it explodes in your face.