Talk:Incubus/@comment-27950421-20181102125449/@comment-29602226-20181103002347

"Another thing to keep in mind though, is that once your mana amount reaches past a certain point the growth slows down immensely (KC mentioned this when explaining why after a thousand years of growth since defeating the chief god, the mamono lord still isn't strong enough to enable incubi to be born). Hence why non-undead incubi with harems aren't immortal, their mana growth slows enough that their life span catches up."

Yeah, he also said that the power level nine-tailed Youkos and Inaris slows down its grow rate almost to a halt when they reach "almost god-like" level, despite they having more sex than ever...

It seems it is HARD to raise your power once you touch the realm of gods... an in-built safety mechanism made by gods when they created the world to prevent mortal creatures from ever becoming a threat...