Gift of the Deity (5e Equipment)

Weapon (battleaxe), legendary (requires attunement)

A heavy, black battleaxe with a jagged blade, once thought to belong to a mighty demigod.

Arcane Strength. Once per turn as a bonus action, you may expend a spell slot to gain a bonus to attack and damage rolls made with this weapon equal to the level of the spell slot, to a maximum of +5, until the end of your turn.

Crushing Blow. Whenever you roll a critical hit with this weapon, instead of dealing normal damage you may deal 3d8 damage and have the opponent be knocked prone.