Blaidd the Half-wolf

Bloodlust. Whenever Blaidd makes an attack with his Royal Greatsword, he can move up to half his speed before the attack

Keen Hearing and Smell. Blaidd has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Multiattack. Blaidd makes Two attacks: three attacks with his Royal Greatsword or one with his Wolf's Assault

Royal Greatsword. Melee Weapon Attack: +10 to hit, reach 5 ft, one target. Hit: 13 (2d6 + 6) slashing damage. 

Wolf's Assault. Melee Weapon Attack: +10 to hit, reach 15 ft (moves to the place he attacked)., one creature. Hit:  20 (4d6 + 6) piercing damage and the all creatures within 10 ft of the landing point must succeed a DC 16 Dexterity saving throw or take extra 22 (3d12 + 3) cold damage. If the first creature who was targeted was hit by the melee attack then they automatically fail the saving throw.

Blaidd can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Blaidd regains spent legendary actions at the start of its turn.

Wolf's Assault. (costs 2 actions) Blaidd jumps forward and spins around in mid air building a layer of frost upon his weapon before thrusting it downward into the ground at a target. Melee Weapon Attack: +10 to hit, reach 15 ft (moves to the place he attacked)., one creature. Hit:  20 (4d6 + 6) piercing damage and the all creatures within 10 ft of the landing point must succeed a DC 16 Dexterity saving throw or take extra 22 (3d12 + 3) cold damage. If the first creature who was targeted was hit by the melee attack then they automatically fail the saving throw.

Royal Greatsowrd slash. (costs 1 action) Blaidd makes one Royal Greatsword attack at one target within range