Sky Hammer

The sturdy head of this +3 major striking orichalcum warhammer is shaped like a blazing comet. Activate—Comet Fall R (concentration) Trigger Your attack roll with the sky hammer is a critical success Effect A 6th-rank arcane spell explodes, centered on the sky hammer. The spell DC is 45. You are immune to the fireball's effect, though your allies are not. Craft Requirements Supply a casting of fireball (6th rank), and the initial raw materials must include 12,375 gp of orichalcum.