I've only seen one of his fights in Sanshou. He fought a hopeless opponent. I imagine that K-1 might be a stepping stone for now. He will need to learn what to do once the fight goes to the ground because both K-1 and Sanshou stop the fight once the fighter goes down. Those scissor kicks look sweet but I don't think they do any damage. However, in UFC or Pride he would be able to follow up with maybe some heel kicks to the midsection or even head. I think that the risk of getting caught in a kneebar would be too much to try the move in MMA. I hope that we do get to see him in true MMA though. He is hella fast.
"DULCE ET DECORUM EST PRO PATRIA MORI"