Description
A flash-freeze that radiates outward from 
UraumeUraumeHumanA curse user who has served Sukuna for over a thousand years, cooks for him, and treats every sorcerer alive as an interruption. Their ice technique is the most controlled thing in... in all directions. Everything in range, people, ground, air, drops to extreme sub-zero temperatures instantly. At maximum output, multiple targets get encased in ice simultaneously, shut down before they can react.
The technique is devastating as an opener because there's no projectile to dodge. The cold simply appears in a radius around UraumeUraumeHumanA curse user who has served Sukuna for over a thousand years, cooks for him, and treats every sorcerer alive as an interruption. Their ice technique is the most controlled thing in.... If you're within range, you're frozen.
Usage in combat
UraumeUraumeHumanA curse user who has served Sukuna for over a thousand years, cooks for him, and treats every sorcerer alive as an interruption. Their ice technique is the most controlled thing in... deployed maximum output Frost Calm after Shibuya to ice several sorcerers at once, preventing pursuit of 
KenjakuKenjakuHumanAn ancient sorcerer who has survived for over a thousand years by transferring his brain into different host bodies. Each body grants him access to that person's innate technique w.... The technique shut down multiple fighters in a single activation, no individual targeting, no warning, just a wave of cold that dropped everyone in range.
Choso's blood-based physiology gave him partial resistance, but even he struggled. Against most sorcerers, Frost Calm at full power ends the fight before it starts.
