a dravener: a type of demon that can cause death just by looking at someone/creature. They have the ability of mind control, and can make someone go completely mad. They can shapeshift into a crow/raven. And are known for there rituals which involve human
I like the idea of heavy armour with a dark hood, but it could reduce the overall character's design as you couldn't see the character. The idea of using some sort of lightning and a shield is quite interesting.