In the next game have it equip a small LLM, that roleplays as the deity in DnD. Players can pray to it using cunning logic or bargain pleas, and if it works to the ethos of the Deity, the game engine grants a small boon, it could be based on the Deity's ethos, like storm lord would favour decisive action, balancer type deity would like reasoned argument etc. It would be a killer game.

That sounds like a fantastic idea for a game mechanic! Integrating a small LLM that roleplays as a deity could add a rich layer of interaction for players. By allowing them to pray or bargain with the deity using cunning logic or persuasive arguments, you create a unique way for players to engage with the game world.