"The air grew cold just before it happened. That was one of the reasons I thought to turn around."

Since Alice was asking that, that could only mean there had been remnants of an ice attack left at the scene. He'd suspected as much, despite not having seen the attack itself well.

As for what he had seen... Jade paused, frowning as he tried to recall that split second the murderer had been within his field of vision.

"I can't be completely sure, but... I don't think they were human. Humanoid, yes, but something about them was... off."