you can call up hellfire to surround yourself with a protective barrier.

You are affected by a special version of the spell Fire Shield. It is exactly as fire shield but the fire shield is made of hellfire and protects you from all three cold, fire and hellfire. Furthermore, when you are attacked you deal half your eldritch blast would deal to attackers instead of the normal damage. When you invoke this power, you take your level points of hellfire damage.

Focus: None

Material Component: None