btw, for some of the previous questions:
the purple tornado thing is whirlwind wave. it's the same skill that drake uses in 2-10.
FF (Flash Fate) is pretty good, but the fact that it's so slow makes it rarely used in PvP. however a combo of S + FF is a killer on mages. still, their fiery death dragon probably won't let u use that skill much. either way, whirlwind wave is better for trapping them. here's how u use the nado:
whirlwind wave when on the same screen, and they should start running away, or attacking. if they run away, then the nados will follow them, and then you can proceed to cornering them in a wall. if they get near a wall, and try to icewall you, then use flash fate or CMS (cresent moon sword). CMS won't knock them over, but will give them time to attack you. FF will knock over, but chances are you will do more damage than they do to you. if u want to risk it, you could back up and use wind kick, since wind kick goes over the wall.