Ikrath, Lord of Ice

Ikrath (Wendigo King)
Armor: 15
Hitpoints: (2d20+6)
Speed: 60 ft
Size: Giant

STATS
Strength: 20
Dexterity: 30
Constitution: 20
Intelligence: 15
Wisdom: 15
Charisma: 25

Damage Vulnerabilities: fire
Damage Resistances: necrotic
Damage Immunities: poison, Cold
Condition Immunities: charmed, exhaustion, poisoned
Senses: Darkvision 60 ft., passive perception 10
Languages: Common
Ambusher. The wendigo has advantage on attack rolls against any creature it has surprised.
Mimicry. The wendigo can mimic any sounds it has heard, including voices. A creature that hears the sounds can tell they are imitations with a successful DC 14 Wisdom (Insight) check.
Pounce. If the wendigo moves at least 20 feet straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the wendigo can make one bite attack against it as a bonus action.

Lord of Ice:

ACTIONS
Multiattack. The wendigo makes two melee attacks.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: X (2d8 + 3) piercing damage. On hit, target must succeed a DC 13 CON saving throw or suffer X (2d8) necrotic damage. Target takes no additional damage on a successful save.
Claws. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: X (2d6 + 3) slashing damage.