Blowback Spell

The blowback spell was a spell from the Grimorum Arcanorum.

History

The Magus used this spell against the Weird Sisters when they tried to turn him Princess Katharine, Tom, Mary and Finella into owls. He was not only able to block their spell but turn it against them, changing them into owls. (Avalon Part One)

Incantation

Latin

Per iussum meum

Fierateres ut optare