This also confirms my theory that Sub has 3 special moves until now.
Freeze, Slide and Polar Blast (new move) i was thinking it could be part of grand master, but doesn't seems like it.
Polar Blast is a detonating ice bomb that releases a fairly blast radius around sub, in grandmaster variatiom the Polar Blast becomes a ice detonator. Since two ices can't exist at same time, it explodes the clone at any given time.
Not sure if saw right, if you explode the clone on the correct timing and distance, the opponent will become frozen, if you do too early he is only caught by the ice radius of the clone but doesn't gets frozen.
I need to look in which video is this btw.