The Warmth Potion is a buff potion which grants the Warmthbuff when consumed. The buff reduces damage from cold-themed enemies (see below) by 30%. This lasts for 15 minutes, but can be canceled at any time by right-clicking the icon (), by selecting the icon and canceling it in the equipment menu (), or by double-tapping the buff icon ().
Additionally, the player's projectiles reflected by a Selenian, an ExpertBiome Mimic, or the Dreadnautilus will also inflict reduced damage while Warmth is active. This is applied after the original damage of the projectile is halved upon reflection. The projectiles of the following weapons are affected: