Snowcloke. The abominable snow has advantage on stealth checks in snowy regions or during snowy weather.

Multiattack. The abominable snowman makes two slam attacks. If both attacks hit the same target, the target also takes 9 (2d8) cold damage and must succeed on a DC 17 Constitution saving throw or be stunned until the end of the target’s next turn.

Slam. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage.

Reaping Arms (Recharge 5–6). The abominable snowman makes a separate slam attack against each creature within 10 feet of it. Each creature that is hit must also succeed on a DC 17 Dexterity saving throw or be knocked prone.