That "bishop" has some amazing clothes, that's for sure. That super high-leg slit, black panties, hole perfect for clothes paizuri at the chest... Whew!
Did demiurge from overlord just isekaied himself to test whether if making a religion that contradicts to the current one can possibly work and experimented on this concept so he can come up with a perfect plan to take over the Roble Holy Kingdom in the name of Ainz Ooal Gown and now has currently returned back to his universe leaving his worshippers alone because their loyalty wasn't towards Ainz but him so he feels sad that his worshipers didn't worship the one true god?
Actually Demiurge means, artisan and creator, early Cristians sects believed that the world was create by an imperfect God who they call Yaldabaoth or Demiurge