Letum watched as the mist didn't even budge as the shock wave and flames passed through the fog. "He's controlling it, be careful." He said in a calm voice. There was no other explanation for the fog not moving. It couldn't have been so dense that the shock wave didn't move it, the fog could not remain suspended in the air then. Since he was controlling it that surely meant he had a connection to it and that it would be slowly draining his energy to keep it up under his will. But him controlling the fog also meant other potential troubles for them. He needed a moment to devise a plan, something that would be effective. As he thought he slowly pulled out his katana, the blood red blade slowly becoming exposed.
((Yes a RP does start to wear on you when you have to wait a long time ot get it going.))