I think the best preserved is Lithuanian. Check out asha logos, or Robert sephre. I'm more of a deist/theist, but the old ways are nice to look into. Viking havamal has great wisdom
Havamal should be required reading for every white male in high school. The Odinist Edda. Honestly haven't ever found an actual brick and mortar religion or group(haven't looked that hard though). Most of them are faggy wiccan kabbalah larpers who just want degeneracy from what I can tell.
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