Xue Ren got Anastasie after a lot of struggle.
She settled herself far away from his family within his universe. What was the best surprise after their battle was taht Anastasie had found out Luxuria and even beaten her hard. She got the sin and used her powers to have some fun.
So Xue Ren satisfied Superbia's feelings later on.
Now, it was time to go for another throne. The death and life were the last ones... As someone who had the demon bloodline which was also the key, Xue Ren used his connections and death god's divinity in his grasp to find the throne.
It was not particularly hard after getting so many powers. The fragments to the throne got collected relatively easy, then Xue Ren formed the throne. The one to sit on the throne was Misha as she had the closest relationship and demon powers of the ancestor!
The last throne of life was the worst case.