Review Detail of DaoistETAFtm in My Solo Revenge Against the Divine

The story is getting more barren and there is no longer some world development from the recent chapters unlike the zero volume, but still, the main problem is, why is Rangga Twelve, the person that is shown in the prologue is not the Main Character of this story but his so-called his current Timeline self that seems to not having Carla as hid granddaughter yet which makes it so confusing....