Rakdos - Blood witches use his power

“You wield the power of the cult. You wield a shred of my own power. And yet you ask for more than that?”

“For this man to suffer as he must, I need more.”

Rakdos’s face faded back into shadow, so only the tips of his horns and his chin glowed in the light as he spoke.

***

Gatecrash (The Secretist Part II), Chapter 1