The last syllable faded away, plunging the room into darkness. After a moment, the circle of runes on the floor glowed a ghastly green, illuminating the chamber with a ghoulish light. The space inside the circle wavered and churned before spitting a small demon out. It raged at the old man, who ignored it, having heard it all before.
He whispered a phrase and the fiend was frozen. With a wave of the wizard’s hand, he caused the demon to float to the stout worktable, which shackled the beast. The old man selected a wicked-looking implement, and began to operate.