1st realm- "path" apprentice have longevity of 150 yrs
2nd realm- "path" soldier have longevity of 200 yrs
3rd realm- "path" adept have longevity of 300 yrs
4th realm- "path" true have longevity of 500 yrs
5th realm- "path" great have longevity of 1000 yrs
6th realm- "path" saint have longevity of 5000 yrs
7th realm- "path" lord have longevity of 10000 yrs
8th realm- "path" king have longevity of 100000 yrs
9th realm- "path" have emperor/empress longevity of 5000000 yrs
World-
4 continents north, east, west, and south continents
6 realms
The world can contain realm of 1-5+
1st heaven can contain realm of 6+
2nd heaven can contain realm of 7+
3rd heaven can contain realm of 8+
4th heaven can contain realm of 9+
Back of the world demon can contain rank 1-???
Great ocean - an ocean that fall down from the highest ream to the lowest realm in which is back of the world(demon realm) the great ocean is also the place where people will use in order to travel to another continent beast and human of higher realm unlike demon could go to the lower realm this way.
Demon- demon will travel through the great ocean upstream but the demon of higher realm cannot go to the lower realm as the heaven and earth don't allow so. (It will also not appear in the great ocean of the lower realm as it will get teleport to the ream where it should be and whether it want to go up or not is up to that demon) it also has more wisdom than that of a beast and a inheritably selfish from birth.
Beast-
A threat to human that kill and wat human attain wisdom(not as high as human most beast use its instinct more than wisdom no matter what rank) at rank 5 or 6 up to its bloodline Speak human language at 7 transform into human is at 8. Beast also hate demon to its very core that it would not care its own death until it gain wisdom.
Path-
Warrior, mage, rune mage, transformation, and more