los nigromantes puede destruir espiritus

I nodded, frowning. "It's necromancy," I said. "You ever heard about a guy named Kemmler?"
Mort's eyes widened. "Oh, God. His disciples?"
"I think so," I said. "A lot of them."
Mort's face turned a little green. "That explains why they're so afraid."
"Why?"
He waved a hand. "The dead are terrified of whatever is moving around out there. Necromancers can enslave them. Control them. Even destroy them."