Luz Melian
This is kind of like in the Discworld - your afterlife there depends on what you believe will happen.
I think you can find true and useful parts in any religion, but not that they all as a whole could be true. Because they have some very conflicting and incompatible beliefs, specially about deities and about what happens after you die.
"Granny Weatherwax didn't believe in gods, she knew that they existed but she didn't count on them" ok it's paraphrased but the basic idea is there.