Spellcaster. Aberrine can cast the following spells at 6th level (+11 to hit, DC 18):

3/day: [Lightning Bolt], [Chain Lightning]

Queen of the Storm. Abberine's attacks and spells that deal lightning damage bypass resistances to lightning damage.

Enchanted Sword. Abberine's attacks are magical for the purpose of overcoming resistances.

Legendary Resistance (3/day). If Abberine fails a saving throw, she can choose to succeed on that saving throw instead.

Speed of Lightning. Regardless of their abilities or if they take the Disengage action, creatures who leave Abberine's range are subject to opportunity attacks. If that creature is normally immune to opportunity attacks, the attack will be made at disadvantage.

Laser Focused. Disadvantage cannot be imposed on Abberine.

Multiattack. Abberine may attack up two three times with her Storm Sword attack, any of which may be replaced by a Storm Whipsword attack.

Storm Sword. Melee Weapon Attack: +12 to hit, reach 10 ft., 1 target. Hit: 18 (4d6 + 6) slashing damage and 9 (3d6) lightning damage.

Storm Whipsword. Ranged Weapon Attack: +12 to hit, range 30/60 ft., 1 target. Hit: 12 (2d6 + 6) piercing damage and 9 (3d6) lightning damage.

Flash Step (Recharge 4-6). Abberine dashes up to 60 feet directly to a creature and grapples them (Dexterity saving throw DC 20). Anyone within 5 feet of her during her dash takes 16 (4d8) lightning damage.

Piercing Gaze Beam (Recharge 5-6).  Ranged Magic Attack: +11 to hit, range 120/360 ft., unlimited targets in a line. Hit: 40 (8d10) lightning damage and creatures are paralyzed until the start of their next turn.

Thunder Palm (Only usable if Aberrine is grappling a creature, recharges with Flash Step). Abberine blasts a grappled creature away. That creature takes 40 (8d10) lightning damage, is knocked back 40 feet, and falls prone.

Abberine 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. Abberine regains spent legendary actions at the start of her turn.

Thunder Sidestep (Costs 1 action). Abberine can move to an open space up to half her movement speed without provoking opportunity attacks.

Storm Sword (Costs 1 action). Abberine can make one Storm Sword or one Storm Whipsword.