Flight: As a move action, Abolus can fly for 50 ft.

 Windcaller: As a bonus action, Abolus can create gusts of wind to push or pull objects and creatures.

Multi-attack: Abolus makes two melee attacks. He can replace one or both with Lightning Arrows.

Gold Greatsword: Melee Weapon: +3 to hit, reach 5 ft, 1 target. Hit: 2d6 + 3 Slashing damage. 

Shadow Talons: Melee Weapon: +3 to hit, reach 5 ft, 1 target. Hit: 3d4 + 1 Psychic damage.

Lightning Arrows: Ranged Weapon: +4 to hit, range 25/30 ft, 1 target. Hit: 2d6 + 2 Thunder damage. Creature hit makes a DEX save. If it fails, it is Stunned for 1 turn.

As a bonus action, Abolus can either fly or use Windcaller.

Opportunity Attack: Abolus can make an attack on a creature which moves within 15 ft from him.

Abolus can use a Legendary Action ONCE per turn at the end of another creature's turn. 

Legendary Action: Wild Thunder

Abolus calls down 4 lightning strikes all around him in an area of 10 ft. Creatures that are hit take 1d12 thunder damage and are Stunned.

Enter the description for how mythic actions work for your monster here.

Mythic Action Name (Costs # Actions). Enter the description for your mythic action.