I'm going to explain a few things off the bat:
This world is multi-pantheonic. Just like the Riordanverse but I added my own twists. This is because I honestly believe what Rick did by spontaneously including many other pantheons at the end of the original PJO series sort of took away a lot of the weight and pressure from the previously mentioned "world-threatening" banes/menaces/monsters/titans. It felt as if the stakes just dropped.
Percy didn't save the world, he saved North America.
There is a threat system that I alluded to in chapter one. It grows exponentially and goes something like: mortal, demigod, low god, high god, very high god, pantheonic, multi-pantheonic, existential.
It pretty much classes creatures into categories depending on what they can destroy/threaten (Naruto is a Pantheonic Threat, implying he can destroy/threaten the existence of a pantheon).
Naruto and Zetsu are Monotheists. They believe the "gods" are essentially spirits that found a way to forge a psychic link with elements and concepts (Domains) and thus have partial control over them. The Primordials are more like actual Domains who have gained sentience or a level of consciousness.
While the One True God is Khaos.
The fact that only Khaos is legitimately Omnipotent/Omniscient supports that theory (also the fact Naruto here can pretty much beat anything, not primordial level).
I might make some crossover cameos or mentions of characters that are present in other series (nothing too crazy or out of place).