Atyr, Titan of Fate's Cunning

Legendary Resistance (3/day): If Atyr should fail a saving throw, it may choose to succeed instead.

Spellcasting. Atyr is a 20th level spellcaster. Its spellcasting ability is INT (spell save DC 18, +10 to hit with spell attacks). Atyr has the following spells prepared:
3rd level (5 slots): Fear

Multi Attack: Atyr makes 2 attacks, 1 with its fists and 1 with its bolt

Fists: Melee Weapon Attack: +8 to hit, reach 10 ft., 1 target. Hit: 4d8+8 fire damage. 

Primal Bolt: RangedWeapon Attack: +8 to hit, range 200 ft., all targets in 10 ft wide line. Hit: 3d6+8 fire damage and 3d6+8 acid damage.

Atyr may make 3 legendary actions but only 1 per turn. It regains 1 action at the end of its turn.

Primal Horror (Costs 2 Action): Atyr casts the spell Weird

Primal Shriek (Costs 1 Action): Atyr lets out an ear splitting shriek. All creatures within 60 ft must make a DC 18 CHA saving throw. On a fail, they are frightened until the end of their next turn.

Primal Rage (Costs 1 Action): Atyrs body surges with energy. It has advantage on all attacks made this turn and any spells cast that use damage dice gain an extra dice.

The Beast Inside: Atyr whispers inside the heads of all nearby creatures. They must succeed a DC 18 CHA saving throw or suffer the following effects:

• The creatures cannot speak, read or write for 1 minute. 
• The creatures cannot use any weapons or magic that they have access to
• The creatures have disadvantage on any saves made against being frightened
• The creatures grow fur, claws and spines, gaining +1 bonus to their AC and their unarmed strikes now use a d4 for damage. 
• The creatures cannot regain hit points by any means.
• After 1 minute has passed, the creatures must again make a DC 18 CHA saving throw or continue to suffer the effects.