Board Thread:New on Bleach Wiki/@comment-27120311-20151025235010/@comment-27392440-20160117140740

Getsuga tensho actually seems more like a cero if you want to get technical but other shinigami like Yamamoto, Isshin and Kensei (the vizard who can make energy attacks and compress his punches like getsuga tensho does with slashes) have shown similar raw power/reiatsu compression abilities to Ichigo and they're not quincy-related