Quote Originally Posted by The Crystal View Post
AND the game tell us that Sephiroth's will is practically unmatched, that he was the one responsible for the current Reunion(Hojo literally says that, at the Whirlwind-Maze),
His will is indeed strong at this point, but this is long after his breakdown - long after when his intentions would have become subconsciously aligned with JENOVA's impulses. ("influence")

But all of that aside:

But I agree that Jenova has some influence on his actions, due to the strong connection between them.
...hence the -esque (as well as first three quarters of my post).