The following article/section is conjecture. Content is subjected to change/removal as the game progresses. Please do not use this article for critical in-game information.
Frost Insulation is an aura mod that reduces damage taken from Cold damage. It increases at +0.3 per rank maxing at +1.8. Stacked with other members using this aura, +7.2 can be achieved.Its effects are similar to Insulation.
For a short time after Update 10.6 this mod could have been acquired via Transmutation. This was due to a bug where all mods, including unreleased ones such as this one, became obtainable through transmutation. This has since been fixed, but players who obtained the mod this way were allowed to keep them. There is currently no way to obtain this mod.
This mod uses the same picture as the mod Insulation, hence their effect.