Bec Noir

Temporal Pocket. Bec Noir can store any unattended size tiny object in a temporal pocket for later use

Magic Weapons. All of Bec Noir's attacks count as magical for the purpose of overcoming damage resistance

Legendary Resistance (4/Day). If Bec Noir fails a saving throw he can choose to succeed instead.

Multiattack. Bec Noir makes three Longsword attacks any of which can be replaced with a Tentacle attack. Bec Noir can also use Teleport once before or after any of the attacks.

Longsword. Melee Weapon Attack: +11 to hit, reach 5 ft., 1 target. Hit: 9 (1d8 + 5) slashing damage and 6 (3d4) force damage.

Tentacle. Melee Weapon Attack: +11 to hit, reach 15 ft., 1 target. Hit: 9 (2d4 + 5) bludgeoning damage and the target is pulled to within 5 feet of Bec Noir and grappled (escape DC 19) and restrained until the grapple ends.

Teleport. Bec Noir magically teleports along with any equipment it is wearing or holding and all creatures grappled by him to an unoccupied space within 40 feet of him. Creatures grappled by Bec Noir must also appear in an open space adjacent to Bec Noir

Red Miles (Recharge 8). Bec Noir unleashes the Red Miles within a 30 foot radius sphere centered on him, all creatures within that area must make a DC 18 Dexterity Saving Throw, taking 63 (18d6) force damage on a failure or half as much on a success.

Green Miles (Recharge 20, One use per encounter). Bec Noir unleashes the Green Miles from his ring within a 60 food radius sphere centered on him, all creatures within that area must make a DC 20 Dexterity saving throw taking 84 (24d6) force damage on a failure or half as much on a success. Creatures gain no benefit from Evasion or similar features on this save

Temporal Displacement. When Bec Noir fails a saving throw by an effect to take half damage he can use his reaction to halve the damage he takes. If he succeeds he can use his reaction to instead take no damage.

Temporal Redirection. When Bec Noir is hit by an attack he can use his reaction to force the attacker to re-roll the attack with advantage against any creature within 30 feet of Bec Noir.

Bec Noir 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. Bec Noir regains spent legendary actions at the start of its turn.

Longsword Strike. Bec Noir makes a single Longsword Attack

Fly (costs 2 legendary actions). Bec Noir flies up to half his speed

Limited Omnipotence (costs 3 legendary actions). Bec Noir regains the use of his reaction or one use of Legendary resistance. Once either option has been chosen it cannot be chosen again until Bec Noir finishes a long rest