User blog comment:Water Dragon Slayer/DREAM BATTLE CHRONICLES: SEVENTH MATCH!/@comment-5303512-20130830030933/@comment-7418318-20130831085803

What do you mean we don't know how far Ren improved?

He fought in the GMG and for people who can accept it, he also fought in the KotSS arc...

We saw far more of his fighting abilities after the timeskip than we ever saw in X784....