User blog comment:Xilinoc/Ch. 546 - THE LAST 9DAYS/@comment-4317207-20130718030758

I do not believe that was the real Shunsui Kyōraku but a new "Y" Quincy that was sent to give Ichigo's friends the "shadow pass" that will transport them to the Quincy Palace. The reason I think this is because in a past chapter it was revealed that the powers can be given.