a melee weapon worth at least 1 sp
a cup of water
the petrified eye of a newt
25 gp worth of powdered silver, which the spell consumes
a gilded skull worth at least 300 gp
an undead eyeball encased in a gem worth at least 150 gp
a pickled tentacle and an eyeball in a platinum inlaid vial worth at least 400 gp
a small block of granite