"I suppose I'll go" said Adruin. First he opened his wings, spreading ten to the full right meter height, shining black. He roared, loudly. His eyes turned black, and his firey halo showed up, black as night. 
"This is my true form." He said. He then stuck out his hands and summoned his sword. Two feet of double edged holy steel beautifully crafted, it was his main weapon. He them lit it on fire with hell fire on one side, and the other with holy light. "I can do a lot more than this, but right now I can summon holy light, hellfire, and heal myself pretty damn quick."