Doorbreaker

The head of this magic maul is shaped like an adamantine fist. You gain a +2 bonus to attack and damage rolls made with this weapon. When you hit an object or construct while wielding Doorbreaker, the hit is treated as a critical hit.

Doorbreaker has 3 charges. When you attack or touch a portal sealed with an arcane lock , you can expend 1 charge to cast knock on the portal. Doorbreaker regains 1d3 charges each dawn.