Re: Keen of mind, cold of blood...
Very unique. A Chill Scattered (space or no? Some parts of the statblock have a space, some don't) might make an awesome villian for an arctic campaign, with a legions of Coldbooded servants. Makes me want to dig out my copy of Frostburn. Nice work.
*goes off to find Frostburn*
Yotsubatar by Dr. Bath