The material below is Open Game Content from a 3PP Source
Crown of Blasting, Major
Aura strong evocation; CL 17th
Slot head; Weight 1 lb.; Price 23,760 gp
On command, this elaborate golden crown projects a blast of searing light (5d8 maximized for 40 points of damage) once per day.
Requirements Craft Wondrous Item, Maximize Spell, searing light; Cost 11,880 gp