The demon chuckled. It did not speak, nor explain the wish it granted; instead, it allowed Jasper to simply watch. Watch as he was reborn, and lived a new life; a life where he was drawn into the cult of Korgredith, bound to worship the eldritch being.
"It's repayment," the demon said, "I grant your wish, you follow me."
"I wish for those who follow my words to pledge their endless servitude to me."