Feedback:User/Magic/Teinai's Wind & Whirlwind

This has been kind of up and down in my mind. It's something I've always thought would be cool but I'll probably get some people against this. IMO: Since Whirlwind and Teinai's Wind are the exact same skill on the except of campaign if we could change Teinai's Wind (or both skills) to:

Note:
As to damage, I think it would b okay if it stayed the same. But when it comes to the knock down, I left it on, but it might be over powered. I left the energy cost and recharge the same too, for now. Discussion?
 * Recharge set to "10" by Talamare.