Slayer Magic (QOS)

Slayer Magic (滅の魔法, Metsu no Mahō) is a form of Lost Magic, known to almost all residents of Earth Land as the branch of magic that allows its users to adapt their physiology into that of a mythic creature in order to slay dragons, gods and demons.

Dragon Slayer Magic
Dragon Slayer Magic (滅竜の魔法, Metsuryū no Mahō)...

God Slayer Magic
God Slayer Magic (滅神の魔法, Metsujin no Mahō)...

Devil Slayer Magic
Devil Slayer Magic (滅悪の魔法, Metsuaku no Mahō)...

Trivia

 * This is the author's own interpretation of Slayer Magics.