This black rod of metal has a carving of a metal skull at the top of it. Anyone who holds the rod can control twice as many undead than he normally could with his rebuke undead ability. For instance, normally a caster can’t control more HD of undead than his rebuking level, but while holding the rod of undead mastery he can control twice his rebuking level of undead. Strong necromancy; CL 12th; Craft Rod, command undead; Price 20,000 gp.