okay, I read correctly ^^ Glad that's settled. 

My reply is correct. The thing with that attack is it cannot really be launched carefully. You said it yourself, the range of that attack is huuuge. And because of it, it's 'slow', as in takes more time to complete than Florian's intercept. He has all the time to parry it and connect his grapple. I've had the same thing done to me when I attacked into an invite normally, let alone in gran passata.