Board Thread:Mortal Kombat X/@comment-49.193.83.176-20140901102236/@comment-1084762-20141007223533

Kuai Liang is the soul he has since he died in MK9. He never owned Bi-Han's soul, just resurrected him as a wraith.

However, the soulnado possibly could of cleansed him as you said, so it's looking to be Bi-Han.