Once upon a chaos there is a certain level of realm called bystander, they look normal from the outside, like a mortal, an ant in front of those so called born in high planes but hidden deeply inside not the body but within the soul cover with layers of protection, a limiter or they just love to hide their power to live in peace a masochist, either it can be called reversal to cultivation in other term being so called returning to origin. Their role is to observe planets that have life in every universe, check if there is abnormality to its laws, system and if an aboriginal existence born that will cause destruction in its future will be automatically report to the administrator that manage it. If there is war of races, they can the median of peace but if you make them their enemy only death awaits you and your entire race.
The story will start in a certain meeting.
Three leading highest peak bystander enters a pantheon of Gods on the main origin plane and those on peak primordial cultivation base are eligible to attend this meeting, their called for a meeting by the primordial creator, the old one an entity in half-step to the unknown to discuss a topic of observing and managing every universe either old nor new one. The discussion starts peacefully but everything changes because in a certain topic it's all about the upcoming ascension between two children of the creator that next in line includes the proposal of every bystander should not intervene and a separation of their world, erasing them in every history of universe and a contract that one of the three should enter the process of reincarnation until he/she be born to a certain body that can withstand 100% of soul power and knowledge. The three didn't wanted the topic to continue, it feels banishment trying to retaliate mean starting a war to every universe that will result to bloodshed and death of races, the three just wanted peace for their race that can be counted for thousands not even a million so for it the male bystander decided to be the one enter the process of reincarnation as for the two of his sisters will manage the whole process of separating their world to every universe cutting every path way for entry.
The whole meeting ends on signing the contract with their will and a part of their soul, if the rule of the contract cannot be followed the punishment is total annihilation.