The 10 rings are based on the first of these characters:

零: Zero
青龍: Green dragon
白虎: White tiger
朱雀: Vermilion phoenix
玄武: Illusion arts
空陳: Emptyness
南斗: Southern star
北斗: Northen star
三台: 3 levels
玉女: Jade maiden

These are based on my own translations so take them with a pinch of salt. I don't think these are spoilers for anything, but feel free to modify if you feel that they should not be in this thread.