Thunderstrike. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 2d10 + 5 bludgeoning damage plus 1d8 lightning damage.

Lightning Bolt. Ranged Spell Attack, +8 to hit, range 120 ft., one target. Hit: 5d8 lightning damage.

Blighted Roar: Zephyrath lets out a horrifying roar, creating an aura of decay within a 30-foot radius. Any creature that starts its turn or enters the aura must make a DC 15 Constitution saving throw or suffer 3d6 necrotic damage.

Arakoth can take 3 legendary actions at the end of another creature's turn. It regains spent legendary actions at the start of its turn.

• Lightning Whip: Zephyrus makes a melee weapon attack with a whip crackling with electricity, dealing 2d6 slashing damage plus 1d8 lightning damage.
• Storm Surge: Zephyrus releases a powerful surge of lightning energy in a 30-foot cone. Each creature in that area must make a DC 18 Dexterity saving throw, taking 5d10 lightning damage on a failed save, or half as much damage on a successful one.
• Wrath of the Tempest: Zephyrus channels his fury, unleashing a devastating storm of lightning strikes. Lightning bolts rain down within a 60-foot radius centered on Zephyrus. All creatures in that area must make a DC 18 Dexterity saving throw, taking 8d8 lightning damage on a failed save, or half as much damage on a successful one.