This brass horn is warm to the touch. Fire symbols are carved along its length.
Wondrous Item 85,000 gp
Power Daily (Minor Action)
Each enemy in a close blast 5 is affected by this power. An affected enemy that does not have resistance or immunity to fire gains vulnerable 10 fire (save ends). An affected enemy that has resistance or immunity to fire loses that resistance or immunity (save ends).
Published in Player's Handbook 2, page(s) 210.