I'm similar to this, with my current world having five pantheons and one spiritual philosophy. Some of the gods appear in multiple pantheons. I think the most gods I have in a pantheon is twelve.
I started as a serial in a magazine (back when that pay was decent). It was not seen as a best seller or a movie franchise or even a book franchise.
The years of research he put into this passion project weren't directed by being a commercial success, but a thought about making just enough...
Dune was not created to be commercially viable.
It was created because a factory practically destroyed Tacoma's livability with pollution, Hebert had serious thoughts about religion and he really liked Lawrence of Arabia.
Minimal Character Sheet
https://minimalcharactersheet.com/
Works for 5e CC BY SRDs, at first look. It's really lightweight, but for people of the skill level here that should be fine