which means you will gain it only from the trainers for extra moves rather than at the very beginning
its a fighting style named as experienced swimmer for non-fishman players to fight in the water better
Passive:your oxygen will get doubled and recover more quickly
Blue Walk:dash toward where you are looking at for several times only in the water(since geppo and sky walk only work one time in the water )
Water Cannon(Shachi's move, which has been shown in the next episode previwew of anime ):shoot several water mass