Aggressive teleport. As a bonus action once per encounter, the aberrant axe beak can teleport up to its speed toward a hostile creature that it can see.

Strong Stance. The aberrant axe beak's legs are strong enough to keep it standing regardless of the attack it faces. It cannot be knocked prone until it dies.

Multiattack. The aberrant axe beak makes two attacks with its kick, or one attack with its beak and one with its kick. It cannot make a multiattack when using its cold blast.

Beak. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2) slashing damage.

Kick. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d12+2) bludgeoning damage.

Cold Blast (4/Day). Ranged Attack: cone 15 ft. Hit: 15 (3d6) cold damage. Target or targets within the area of effect must make a DC 15 Constitution saving throw. On a failed save, the creature is slowed for 1 round. On a successful save, the damage is halved and the creature is not slowed.