That move is so damn slow and since netcode isn't ass in TTT2, it is now possible to block it on reaction (same with Lili and Sebastian d/b+4 and the Laws d/b+4). As soon as you see the animation, block low, LAUNCH punish (unless you use a character which has a terrible WS launcher although even Anna can WS launch punish a Snake Edge and her WS+2 launcher is (stupidly) i20 I believe.
This is GameFAQs. People here take great pride in ignoring common sense.
Best way to practice defending against it is to playback that move and 4 other moves randomly with defensive training. It is very easy to spot, even if I react late to the animation (which is rarely) I'll still block in time