Might be a strange way to summon demons but it pays the bills!
This is a character I've had in mind for a good while now. He's warlock that works with cults helping them "summon" hellspawn (demon young that are easier to control then adult demons), his pay is usually in secrets and spells that he can fill his grimoire with
Nude alt can be found here: https://www.weasyl.com/~splitpersona/submissions/2010471/charging-extra-nude-alt