Come on, if she loses that divinity, we'll have to do all this all over again. Her becomming a goddess is the requirement to progress the plot. Why can't she ever properly finish anything?
The author is forcing the plot to change to the next setting again. remember, we cannot have satisfying arc endings here. As for the knight they probably just forgot about her and we'll never see her again
To be confused you must have understood anything to begin with. I'm pretty sure this shit is being made up as i goes along for atleast the last 300 chapters