<-- This is the site of info about the AU.(Sorry bit hard to use Wikia)
I'ma just show you the basics.
In XPtale instead of LV (Love) there is XP (Experience) and Levels.
Levels and XP go into three different categories.
[STRENGTH] [INTELECT] [SPECIAL]
Training(ETC) Research(ETC) Practice(ETC)
Yeah. You get the idea. Humans and monster have one to three abilities that they can use(depends one level and age).
IF YOU ARE READING THIS CHECK OUT THE GOOGLE DOC!