Completion

( IN STORY )

Middle Earth- Humans

Demon World- Demons and their 'kin'- (succubus ,creatures,spirits,...)

Underground World

(a fake world)

-Made by 'The Shadow Emperor' or the Hell Monarch (real name, origin etc unknown...)

Each creature from birth has stats with numerical value corresponding to race, blood based heritage etc. They are born with a potential limit (only surpassed by meeting special conditions (awakening, changing their 'nature' etc)