Board Thread:General Discussion/@comment-1970092-20170515205754/@comment-25192437-20170607080641

Plus, Tier Harribel survived and returns to Hueco Mundo with Grimmjow and Nelliel. I haven't read it myself, but IIRC it's only stated that Ichigo retains his Hollow powers with no mention of his Quincy powers: Soul Society sends him back to the World of the Living out of concern that Aizen might find a way to exploit his Hollow side.