An Eastern Dragon and a Western Dragon are two very different creatures of only superficial resemblance. One is a Silly rabbit easter is for Jesus shirt spirit and guardian protector, the other a totally depraved monster of evil and might, the Anti-Christ. Mix the two and these symbols and typology useful for the instruction of man in the Christian religion suddenly become very much less helpful and quite confusing. The spirits of Europe, their faeries, redcaps, dryads, and leprechaun, gnomes, banshees, elves, and incubi, these all have been sorted and baptized into their respective categories of moral being. This has not happened in the East so much for their kappas, and nagas, and jinn.