o get the shockwave (akaza) art you must reach level 5 and do the 'blood test' after that you will be awarded a random art. this is all RANDOM there are no chances that I'm aware off.
first skill, Air type: shoot 6 air shockwaves, that do decent damage if all hit.
second skill, Annihilation type: do a little charge up and dash at the enemy.
third skill, Explosive Furry: dash a small distance and do a furry of kicks.
Fourth skill, Flying Planet Thousand Wheels: Do a upwards kick sending your enemy in the air and TP behind them kicking them again.
Compass needle: do a cool charge up animation boosting your damage.