Staff of Firepower

 is a gun. Reloading alternates between a rapid fire pistol and a beam-like weapon that can set enemies on fire.

Trivia

 * This gun is a reference to the Fire Rod from the Legend of Zelda series.
 * The synergy Is a reference to Aqua Teen Hunger Force episode "Video Ouija" - In which a witch doctor named Billywitchdoctor.com attempts to resurrect Master Shake, who had been killed earlier in the episode, by chanting "ARISE CHICKEN, CHICKEN ARISE!!" repeatedly.