Aereon

Brave Bird. If Aereon is flying and dives at least 30 feet straight toward a target and then hits it with a melee weapon attack, the attack deals an extra 9 (2d8) damage to the target.

Feather Dance. Aereon doesn't provoke an opportunity attack when it flies out of an enemy's reach.

Tailwind. Whenever Aereon fly's by another creature, a strong gust of wind blows against them, the creature must make a DC 16 STR save or fall prone.

Multiattack. Aereon makes one Drill Peck attack and one Wing Attack and Roost if available.

Drill Peck. Melee Weapon Attack: +6 to hit, reach  5  ft., 1 target. Hit: 18 (3d8 + 5) piercing damage. 

Wing Attack. Melee Weapon Attack: +6 to hit, reach  5  ft., 1 target. Hit: 15 (4d4+5) slashing damage.

Roost (Recharge 6). Aereon slows its breathing and movement allowing it to regain 9 (2d8) healing.

Hurricane (Recharge 5-6). A very strong wind is summoned by Aereon, any creature within a 30ft cube must make a DC 16 STR save or take 28 (8d6) bludgeoning damage and fall prone. Half on a success and no prone condition.

Aeroblast. Aereon can use it's reaction to deflect or catch the missile when it is hit by a ranged weapon attack. When it do so, the damage it takes from the attack is reduced by 1d10 + 5. If the damage is reduced to 0, it can catch the missile hurl the missile back at the attacker (1d20+6 to hit).