This is from memory via occult podcasts, but I believe Mme Blavatsky and the “mystic” she invented, Kothume, were “mystics” in the post ww-1 period. They popularized “theosophy” and “ariosophy” which was essentially stealing from various sects to create a mythos for the aryans and white supremacy. I believe it was this effort that subsumed many runes and other religious symbolism that we see white supremacist using still