Legendary Resistance (3/day). If the Yule Cat fails a saving throw, it can choose to succeed instead.

Deathly Gaze. Any creature that makes direct eye contact with the Yule Cat must succeed on a DC 21 Wisdom saving throw or be reduced to 0 hit points. Any attempt to control the Yule Cat with an animal handling check or a spell automatically triggers this saving throw.

Perfect Hunter. The Yule Cat has advantage on perception checks that rely on sight, hearing, or smell, and all perception checks against the Yule Cat have disadvantage.

Stalker. The Yule Cat has advantage on stealth checks.

Magic Resistance. The Yule Cat has advantage on saving throws against spells and other magical effects.

Magical Attack. The Yule Cat's Claws and Bite attacks are considered magical for the purposes of overcoming resistance to nonmagical attacks.

Savage Critical. The Yule Cat scores a critical hit on a die roll of 18, 19, or 20.

Multiattack. The Yule Cat can use Pounce and then makes two Claws and one Bite attack.

Pounce. The Yule Cat leaps from its current position into any space within 60 feet. All creatures in that space must succeed on a DC 21 Dexterity saving throw or be grappled by the Yule Cat or otherwise be knocked prone. The Yule Cat can grapple up to two creatures at once.

Claws. Melee Weapon Attack: +15 to hit, reach 20 ft., one target. Hit: 15 (2d8+6) slashing damage and 7 (2d6) cold damage. The Yule Cat cannot make a Claws attack if it is already grappling two creatures.

Bite. Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit: 19 (2d12+6) piercing damage and 11 (3d6) cold damage. The Yule Cat has advantage on this attack if it attempts to bite a creature that it is currently grappling. On a hit, the Yule Cat may choose to hold the target in its mouth, causing the target to be restrained. The Yule Cat cannot make a Bite attack if it is already holding a creature in its mouth.

Toy With Prey. The Yule Cat releases a creature it is grappling and makes three Claws attacks against that creature.

Reactive. The Yule Cat may take up to four reactions per round.

Lashing Tail. The Yule Cat retaliates against a creature that has hit it by whipping its tail back and forth. Melee Weapon Attack: +15 to hit, reach 20 ft., one target. Hit: 17 (2d10+6) bludgeoning damage. On a hit, the target is knocked prone.

The Yule Cat may take three legendary actions per round and only at the end of another creature's turn. The Yule Cat regains expended legendary actions at the start of each of its turns.

Slash (Costs 1 Action). The Yule Cat makes one Claws attack.

Munch (Costs 1 Action). The Yule Cat makes one Bite attack.

Lash (Costs 1 Action). The Yule Cat makes one Lashing Tail attack.