User blog comment:Uraharattack/Starrk's classification as a hollow?/@comment-4620155-20130821204910/@comment-6342763-20130821232942

I think it's only logical to think that he can leave his Ressureccion form and go into it again. It wouldn't make sense if he couldn't. Plus, if you remember Ulquiora said "even Aizen hasn't seen his second form" so it kinda suggests that Aizen has seen all their ressureccions...