Acid Gem

A light green gem given magical properties.

As an action, you can crush the gem in your hand and your melee/ranged weapon attacks deal an extra 2d4 acid damage for one minute.

(Must be wielding Ultra-Greatsword(Gem-Infused) to do second option)

As an action, you can put this gem in the pommel of the Ultra-Greatsword and give the weapon acid damage for as long as the gem remains in the pommel. If another gem is already in the pommel, you can interchange the two gems.

Notes: Damage: Acid