PFSRD:Drums Of Panic
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Price 30,000 gp; Aura moderate necromancy; CL 7th; Weight 10 lbs.
These drums are kettle drums (hemispheres about 1-1/2 feet in diameter on stands). They come in pairs and are unremarkable in appearance. If both of the pair are sounded, all creatures within 120 feet (with the exception of those within a 20-foot-radius safe zone around the drums) are affected as by a fear spell (Will DC 16 partial). Drums of panic can be used once per day.
Cost 15,000 gp