C382 Chiban Ying
It wasn't that Kuzhiki Rukiya could no longer possess the Death God's power. It was just that Kisuke Urahara was playing a trick on her soul and hiding it in the Hōgyoku.
Because of Kisuke Urahara's mischief, Kuzhiki Rukiya was unable to recover her strength for a long time, and it had become a huge flaw in the The Power of the Soul Reaper that the Soul Society had discovered. Of course