"You are there to protect the tower, not the other way around"
Then how come they remove
isolation? As far as he's concerned it's just a big ass rock. At least make it so his Evolved R can do something about it (whether it's passive or during the 15 seconds of possible uses of invis).
Please Riot, if you don't give him the execute to actually hurt tanks or do something about his isolation and ultimate both being crap he's going to die completely off. And we don't even need some full rework, just a nice little nudge on his R.