Wendigo

Masks of the Wild. The wendigo can attempt to hide even when it is only lightly obscured by foliage, heavy rain, falling snow, mist, or other natural phenomena.

Mimicry. The wendigo can mimic any sounds it has heard, invluding voices. A creatures that hears the sounds can tell they are imitations with a successful DC 14 Wisdom (Insight) check.

Ambusher. The wendigo has advantage on attack rolls against any creature it has surprised.

Cruel Hunter. Once per turn when The Wendigo hits a creature with an attack that deals slashing damage, they reduce the speed of the target by 10 feet until the start of its next turn

Hungering Curse. When the wendigo is killed, the closest humanoid within 15 feet of it must succeed on a DC 14 wisdom save.or become cursed with the wendigo spirit. If there are multiple creatures in range, the DM chooses the target at random. The cursed creature has an insatiable hunger for humanoid flesh, specifically the flesh of it's own race. While cursed, the creature feels a constant hunger and must succeed on a DC 12 wisdom saving throw anytime there is a humanoid within eyesight of it, or spend its next turn consuming the flesh of the corpse. The cursed creature makes this save with disadvantage if the corpse is of the same race. A creature can repeat this save at the end of their subsequent turns. On a success, the creature is immune to the effects of this curse for 1 hour. Ifthe creature fails this saving throw more than 4 times while cursed it is transformed into a wendigo. The curse can only be removed by the effects of a spell that removes the Cursed status effect, such as Remove Curse. Once the cursed creature is transformed into a wendigo, it's statistics are replaced with those of the wendigo. The only way to reverse the effects of the transformation is a wish spell. Starving Hunter. The wendigo has advantage on Wisdom (Perception) checks or Intelligence (Investigation) checks to find other humanoid creatures.

Multiattack. The wendigo makes two claw attacks.

Accursed Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 4) slashing damage and 7 (2d6) necrotic damage.

Consume Flesh. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 15 (2d10-+ 4) piercing damage. The target must make a constitution saving throw (DC 14) or it takes an additional 9 (2d8) necrotic damage and it's hit point maximum is reduced by the same amount. The wendigo regains hit points equal to the amount of necrotic damage dealt.

Hunger's Call: The Wendigo may trumpet a sorrowful cry as the soul within laments its haunted existence and eternal hunger. Such a cry will summon 1d4+1" Wendigos from within the region it lairs.

Instinctive Response. The wendigo can make one claw attack against a creature that hits it. This attack is made with advantage.