Winter's Wail is a defensive perk that creates a frost explosion when the player is damaged by a melee attack, freezing or slowing nearby enemies. :
: Unlike its predecessor Widow's Wine, it typically activates only when you are critically injured (except on Realistic difficulty), preventing wasted charges.
"Winter's Wail" refers to several distinct elements across gaming and fantasy media, most notably as a survival-focused perk in Call of Duty: Black Ops 4 Zombies and a powerful equipment card in the Flesh and Blood trading card game.