A Blood Oath incantation, granted by the Lord of Blood. Creates bloodflame lacerations before the caster, which explode in an instant. This incantation can be cast repeatedly. After dealing damage, bloodflame continues to build up onset of blood loss for a very short time.

Where to Find the Bloodflame Talons Incantation

You get it for defeating Mohg, the Omen in the Subterranean Shunning-Grounds.