Firebrand is a spell that creates a fiery aura of purple energy on the caster's hands.
History
This spell was used by Rassimov against Dante Vale at the Professor's castle and was used to melt a metal rod in two to use both flaming ends as weapons. S1E25
Kiel used the spell break through a force field set up by Focauld Casterwill in the The Cloisters. S2E37
Rassimov later used Firebrand in his final battle with Dante at the Spiral Mark. S2E50