Heirloom Warpickweapon(warpick), rare

Judging by the materials used this warpick was made to last several lifetimes. It’s head is made of pure adamantine and it’s handle is carved from ancient zurkhwood. It has 4 charges and regains 1 expended charge each day at dawn.
Whenever you hit a hard object, such as metal or stone, with this warpick the hit is a critical hit. Additionally, you score a critical hit against armored creatures on a roll of 19 or 20.