Awakened Percival(Vorthax the Venomous)

Poison Frenzy:  Whenever Ahkmir reduces a creature to 0 HP, he gains 10 temporary HP and his next attack deals +2d8 poison damage.

Toxic Dominion Aura: (30-ft aura) Creatures that start their turn in the aura must succeed on a DC 19 Con save or take 4d6 Poison damage Poisoned until start of their next turn

Creatures already poisoned take double damage from Ahkmir’s attacks.

Legendary Resistance (3/day) Magic Resistance 

Feral Mind: advantage on all STR and CON checks/sav

Mythic Blood Surge (1/Rest — triggers at ≤ 50% HP) Ahkmir sheds his draconic armor in razor-sharp shards and ignites with toxic fury.Effects:Gains +40 temporary HP Aura expands to 40 ft All attacks deal +2d6 acid damage Corrosive Breath recharges immediately Gains the bonus action: Toxic Rampage

Multiattack: Ahkmir makes three attacks: one Bite and two Claws.

Bite +14 to hit | Reach 10 ft | 2d12 + 8 piercing + 2d10 poison

Claw +14 to hit | Reach 5 ft | 2d8 + 8 slashing If both claws hit the same target: Target takes +4d6 acid damage Must succeed a DC 18 Con save or be Blinded (acid splash)

Toxin Injection: Target makes a DC 19 Con save or suffers: Severe Poisoning (Poisoned + takes 2d6 poison at start of each turn) Speed halved

Vorthax’s Breath — Corruption Storm (Recharge 5–6)Ahkmir exhales a spiraling emerald storm of venom and corrosive wind. 120-ft line OR 60-ft cone Creatures make a DC 20 Dex save: Fail: 15d8 Poison + 8d6 Acid Success: Half damage Creatures who fail are also Poisoned for 1 minute. Repeat save at end of each turn.

Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 17):

At Will: Detect Magic, Mind Spike (level 3 version)
1/Day: Geas

Toxic Rampage Ahkmir moves up to half his speed without provoking opportunity attacks and makes one Claw attack against every creature he moves past.

Legendary Actions (3 per round)

1. Tail Sweep +14 to hit | 2d10 + 8 bludgeoning-Target must succeed a DC 19 Str save or be knocked prone.

1. Venom Pulse (Costs 2 Actions)-All creatures within 20 ft make a DC 19 Con save or take: 4d6 Poison 4d6 Acid Become Poisoned
2. Wing Cyclone (Costs 2 Actions) Creates a toxic gale in a 30-ft cone. Targets make DC 19 Str save or: Take 3d6 + 8 bludgeoning Be thrown 20 ft/ Fall prone