Board Thread:Theories and Speculation/@comment-26388300-20150523085628/@comment-734582-20150528125334

NejiHema wrote: I think that Orochi's experiments are what weakened him.

Orochimaru already had a new body when we met him. Thus, his original body, in which he probably learned Sage mode, was indeed strong enough and true to a "sennin". But truly powerful bodies are apparently a rare commodity.