An Athame is a double-edged ceremonial knife used to channel and direct magical energy. Various magical beings use athames as weapons and magical tools.

Witches can use athames in spells and as weapons to defend themselves. Warlocks use athames to kill witches and absorb their powers. Certain demons, such as Belthazor, use athames to kill their targets. Additionally, several beings possess the ability to summon athames to their hand.

A special kind of athame called a "Power-Sucking Athame" instantly absorb the powers of those killed by it and allows anyone to absorb the powers contained in the blade.