Elemental infusion. If Adam Zorander is reduced to 0 hit points and has control over 2 elemental stones he doesn't die or fall unconcious, instead he gains 150 hit points. Additionally, Adam Zorander can now use the options in the “Mythic Actions” section. For the next hour he becomes part elemental and his monster type changes to elemental. His blade deals Fire damage instead of slashing as well.

Award a party an additional 20,000 XP (29,500 XP total) for defeating Adam Zorander after it uses Elemental infusion.

Innate Spellcasting. Adam’s spellcasting ability is Charisma (spell save DC 18, +11 to hit with spell attacks). Adam can innately cast the following spells, requiring no material components:

At will: chromatic orb, detect thoughts, disguise self, Green-Flame Blade, Firebolt, Sacred Flame, Absorb Elements

 2/day each: fly, staggering smite, Counterspell, Shield

1/day each: destructive wave, true seeing, banishing smite

Legendary Resistance (3/Day). If Adam Zorander fails a saving throw, it can choose to succeed instead.

Magic Resistance. Adam Zorander has advantage on saving throws against spells and other magical effects.

Adam Zorander posseses the weapon called Necrotic Blade. His weapon attacks with this weapon deal an additional 2d6 necrotic damage and apply Wounding.

Wounding. any creature Adam Zorander hit with Necrotic Blade can’t regain hit points for 1 minute. The target can make a DC 15 Constitution saving throw at the end of each of its turns, ending this effect early on a success

Multiattack. Adam Zorander can make up to two attacks. Or cast a cantrip and make one attack.

Necrotic blade. Melee Weapon Attack: +14 to hit, reach 5 ft., one target. Hit: 17 (2d6 + 9) slashing damage + 7 (2d6) necrotic damage.

Daunting Roar (recharge 5-6).
As a bonus action Adam can let out an especially menacing roar. Creatures of his choice within 30 feet of you that can hear Adam must succeed on a Wisdom saving throw (DC 17) or become frightened of you until the end of your next turn.

Adam Zorander 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. Adam Zorander regains spent legendary actions at the start of its turn.

Fire Slide. Adam Zorander moves up to his movement speed without provoking attacks of oppertunity.

Flame Aura. Everyone within 10 feet of Adam takes 2d10 Fire damage.

Attack (Cost 2 Actions). Adam Zorander makes an attack or casts a cantrip.

Elemental Blast (Cost 2 Actions). Adam shoots out a small meteor that he summons up to 60 feet. All creatures within a 20 feet radius of the explosion must make a dexterity saving throw (DC 17) or take 3d6 (11) fire and 3d6 (11) bludgeoning damage. Taking half damage on a succes.

Earth Spike(Cost 3 Actions). Adam summons a 50 feet high and 5 feet wide/long chunk of stone from the ground within 60 feet. Everyone within 5 feet of the spike must make a dexterity saving throw or be knocked prone and take 35 (10d6) Bludgeoning damage and be knocked prone. Taking half damage on a succes.

if Adam Zorander Elemental Infusion trait is active, he can use the following actions below as legendary actions.

Flame Arm. Adam Zorander makes an attack or casts a cantrip.

Fire Curve (Cost 2 actions). Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 22 (4d10) fire damage, and fire jumps from the target to one creature of the adam's choice that it can see within 30 feet of the target. That second creature must succeed on a (DC 17) Dexterity saving throw or take 22 (4d10) fire damage.

Tectonic Shake (Cost 2 actions). Adam stomps on the ground shaking the ground beneath him, Everyone within a 20 feet radius round him must make a Strenght saving throw (DC 18) or take 3d10 (18) bludgeoning damage and be knocked prone. Taking half damage on a succes.