Prospector's Pick

You gain a +1 bonus to _attack and damage rolls_ made with this magic war pick. Attacks with this weapon deal an extra 3d6 piercing damage to objects and creatures made of earth or stone.

The pick has 8 charges. As an action, you can expend 1 charge to magically disintegrate a 5-foot cube of nonmagical earth or unworked stone within 5 feet of you. Precious gems, metal ores, and objects not made of earth or stone are left behind. The pick regains 1d8 charges at dawn.