Standard dungeon fantasy fare. Many grim-dark tropes. Life is cheap, monsters are deadly, traps prolific, and the treasure is probably worth it. (Real description lost in the mail)
I’m happy with player-created deities. Primarily the gods worshiped are based on the culture. Our common polytheistic gods are available. There are Celtic gods, Egyptian gods, Germanic gods, Greco-Roman gods (generally separated into two separate cultures), and more. But these will depend on which analog your character is from. The differences between the pantheons is sometimes seen as merely a different presentation of the same gods (this is obviously very prominent among the Greco-Roman worshippers.