Permafrost Lake is a map made for Strife! by speedydude900, the only game mode available for this map is boss fight. Neflhelm is the boss of Permafrost Lake. It was added in during the second part of the Winter update along with Cryo and Neflhelm.
Chihwan Kim (Blade and Soul) - Silverfrost Mountains
-There is an Illuminati easter egg hidden in the map.