The Invincible Overlord

Dormant Divinity (Mythic Trait) (2/day). If the Invincible Overlord would be reduced to 0 hit points, its current hit point total instead resets to maximum, it recharges the Jade Hand.

Legendary Resistance (5/day). If the Invincible Overlord fails a saving throw, he can choose to succeed instead.

Regeneration. The Invincible Overlord regains 30 hit points at the start of its turn if it has at least 1 hit point.

Divine Aura. Any friendly creatures that can see and hear the Invincible Overlord have advantage on attack rolls and ability checks.

Aura of Irons. Hostile creatures that start their turn within 10 feet of the Invincible Overlord take 7 (2d6) radiant damage.

Spellcasting. The Invincible Overlord's innate spellcasting ability is Intelligence (spell save DC 23, +15 to hit with spell attacks). It can innately cast the following spells, requiring no material components:

At will: glyph of warding, prestidigitation, blade ward, dimension door, magic missile, detect evil and good, detect thoughts, nondetection, mind blank, scrying, mage armor, shield, cure wounds, mass cure wounds

3/day: fireball, chain lightning, invisibility, hold monster, mass suggestion, dispel magic, power word kill

2/day: disintegrate, teleport, dominate monster, banishment, inflict wounds

1/day: wish, plane shift, demiplane, power word stun, time stop

Multiattack. The Invincible Overlord makes any five attacks, or sacrifices one of those attacks to cast a spell, and uses Awesome Presence.

Hammer of Justice. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 19 (2d8 + 10) bludgeoning damage plus 19 (3d12) force damage, and the target must succeed a DC 23 Wisdom saving throw or be paralyzed until the start of their next turn.

Flaming Mace. Melee Weapon Attack: +19 to hit, reach 5 ft., one target. Hit: 23 (2d12 + 10) piercing damage plus 35 (10d6) fire damage, and 11 (2d10) radiant damage.

Awesome Presence. Each creature of the Invincible Overlord's choice within 120 feet of it and aware of him must succeed on a DC 17 Wisdom saving throw or become charmed for 1 minute. A creature can repeat the saving throw at the end of each of its turns, with disadvantage if the Iron Saint is within line of sight, ending the effect on itself on a success. If a creature’s saving throw is successful or the effect ends for it, the creature is immune to the Iron Saint's Awesome Presence for the next 24 hours.

The Jade Hand (Recharge 5-6). The Invincible Overlord forces a creature he can see to make a DC 17 Wisdom saving throw. On a failure, a magic item of the Overlord's choice is permanently destroyed.

Shield. The Invincible Overlord casts shield, increasing his AC to 30.

The Iron Saint can take 5 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. The Iron Saint regains spent legendary actions at the start of its turn.

Attack. The Invincible Overlord makes an attack.

Move (Costs 2 Actions). The Invincible Overlord moves up to his speed without provoking attacks of opportunity.

Cast a Spell (Costs 2 Actions). The Invincible Overlord casts a spell.

If the Invincible Overlord's mythic trait trait has activated in the last hour, it can use the options below as legendary actions.

Move & Attack Combo. The Invincible Overlord makes two attacks, he can sacrifice one attack to move up to his speed without provoking attacks of opportunity.

Aura of Authority (Costs 2 Actions). The Invincible Overlord forces targets of his choice within 60 feet to make a DC 23 Wisdom saving throw or be unable to move for until the start of his next turn.

Jade Hand (Third Phase Only). The Invincible Overlord uses the Jade Hand.