>>96381960
Japan also uses the five element wheel. They just call it the Divine Pentagram.
Granted, it was imported from China along with i-ching and taoist mysticism. But it was during the early Heian period and immediately mixed with shinto and buddhist mysticism, hence why Onmyo is a strictly japanese thing.
But you're right. The concept of heretical dharmas should be further developed into more culturally authentic kuei jin "clans."
Except for some SEAsian vamps, like pic related, which in my opinion fit better as lost cainite bloodlines. Look at this and tell me it doesn't scream Vicissitude user.