Ancient Gold Fox

Magic Resistance. The gold fox has advantage on saving throws against spells and other magical effects.

Spellcasting. The gold fox is a 20th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 25, +20 to hit with spell attacks). The gold fox can cast control-weather and invisibility at will and has the following wizard spells prepared:

Cantrips (at will): light, mage hand, thaumaturgy, shocking grasp, true-strike

1st level (4 slots): detect magic, identify, command

2nd level (3 slots): detect thoughts, mirror image, misty step, zone-of-truth

3rd level (3 slots): counterspell, fly, dispel-magic, hypnotic-pattern

4th level (3 slots): banishment, fire shield

5th level (3 slots): scrying, wall of force, modify-memory

6th level (1 slot): globe of invulnerability, forbiddance

7th level (1 slot): plane-shift

8th level (1 slot): mind blank

9th level (1 slot): wish

Amphibious. The gold fox can breathe air and water.

Eather native. The gold fox can survive in the earher.

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

Multiattack. The fox can use its Celestial Presence. It then makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +14 to hit, reach 15 ft., one target. Hit: 21 (2d10 + 10) piercing damage.

Claw. Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 17 (2d6 + 10) slashing damage.

Tail. Melee Weapon Attack: +14 to hit, reach 20 ft., one target. Hit: 19 (2d8 + 10) bludgeoning damage.

Celestial Presence. Each creature of the fox's choice that is within 120 feet of the fox and aware of it must succeed on a DC 25 Wisdom saving throw or become charmed for 1 minute. A creature can repeat the saving throw at the end of each of its turns, 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 fox's Celestial Presence for the next 24 hours.

Beams (Recharge 5–6). The fox uses one of the following beams.

Red Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) fire damage on a failed save, or the minimum amount of damage on a successful one.

Orange Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) force damage on a failed save, or the minimum amount of damage on a successful one.

Yellow Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) lightning damage on a failed save, or the minimum amount of damage on a successful one.

Green Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) poison damage on a failed save, or the minimum amount of damage on a successful one.

Blue Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) thunder damage on a failed save, or the minimum amount of damage on a successful one.

Purple Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) psychic damage on a failed save, or the minimum amount of damage on a successful one.

Change Shape. The fox magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form.

In a new form, the fox retains its alignment, hit points, Hit Dice, ability to speak, proficiencies, Legendary Resistance, lair actions, and Intelligence, Wisdom, and Charisma scores, as well as this action. Its statistics and capabilities are otherwise replaced by those of the new form, except any class features or legendary actions of that form.

The fox 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. The fox regains spent legendary actions at the start of its turn.

Rainbow Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) radiant damage on a failed save, or half as much damage on a successful one.

Black Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Dexterity saving throw, taking 71 (13d10) necrotic damage on a failed save, or half as much damage on a successful one.

White Beam. The fox shoots a beam in a 90-foot cone. Each creature in that area must succeed on a DC 25 Wisdom saving throw, on a failed save the creatures fall into a deep slumber for 24h and can't be harmed or awoken by anything but a wish spell, on a successful one they are paralyzed for one round.

The Ancient Gold Fox can enter it's Mythic state at any moment in battle, when in the mythic form the fox can perform its two mytic actions. The fox can use it's mytic actions once, after which it returns to it's realm to recuperate.

Mythic Action: Spiritual Absorption (Costs 2 Actions). The body of the Ancient Gold Fox starts to eminate a strong force that pulls all creatures in a 150-foot radius towards it. All creatures must make a DC 20 Constitution saving throw, they immediatly are severed from their bodies and their souls are absorped by the fox becoming one of it's spirit warriors, on a successful saving throw the creatures are shot out of the fox's realm(to which they can not return to for d12 months) and are paralyzed for 1 hour.

Mythic Action: Anastasis. When the fox drops to 0 HP in the Mythic state it resurrects and all creatures around it become bound to it. After their death the creatures go to the Ancient Gold Fox pantheon, and during their lives they are obliged to be followers of the Ancient Gold Fox.