Blood Shield

Prerequisite: The ability to cast at least one spell. Requires a feat Dreamstrider Forbidden Blood Magic

You expend 1 blood die taking 1d4+2 damage and point at an ally under attack, instantly conjuring An arcane infused blood barrier of magical force to protect them. Until the start of their next turn, the target has a +3 bonus to AC +4 if the user forgoes his bonus action next turn, including against the triggering attack, and they take no damage from magic missile.

"I may be hiding behind you, but that doesn't mean you're in this alone!"