[Kai's watching him carefully, almost waiting for that gun to end up pointed at him. He's relieved when the only reaction he gets is confusion. Doesn't mean he still won't get shot, however.]

It's definitely real. Don't worry though, I only chuck this stuff at people that piss me off.

[He's smiling a bit as he says it, but he's completely serious.]

About the only thing it gets used for these days is cooling soda. Well, and maybe adding icicle spikes to snow forts. [Okay, and freezing monsters solid before he drops them out of portals onto their summoner, but it's been months since that happened. Kai flexes his fingers outward, and the sphere dissipates.]