Apocolothoth; The False Moon God

Lunar Radiance: If Apocolothoth is underneath direct moonlight that covers 100% of their body, their Hit Points are doubled.

Lycanthrope Control. When a creature afflicted with Lycanthropy (whether they are aware of it or not) comes within 250 ft. of Apocolothoth, they must make a DC 15 Wisdom Saving Throw. On a failure, they must take their first action to transform into a Werewolf. When in Werewolf form, each turn they must make another DC 15 Wisdom Saving Throw. On a success they keep control of themselves. On a fail, they attack their allies. They must make this Wisdom Save each turn until they succeed. 

Spellcasting. Apocolothoth can use certain spells, but only at their spell level. Spell Save DC is 12.

Cantrips (at will):
Eldritch Blast: 
Casting Time: 1 action
Range: 120 feet
Components: V,S
Duration: lnstantaneous
A beam of crackling energy streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, the target takes 1d10 force damage.

1st level (2 slots): 
Bane:
Casting Time: 1 action
Range: 30 feet
Components: V, S, M (a drop of blood)
Duration: Concentration, up to 1 minute
Up to three creatures of their choice that they can see within range must make Charisma saving throws. Whenever a target that fails this saving throw makes an attack roll or a saving throw before the spell ends, the target must roll a d4 and subtract the number rolled from the attack roll or saving throw.

Entangle:
Casting Time: 1 action
Range: 90 feet
Components: V,S
Duration: Concentration, up to 1 minute
Grasping weeds and vines sprout from the ground in a 20-foot square starting from a point within range. For the duration, these plants turn the ground in the area into difficult terrain. A creature in the area when you cast the spell must succeed on a Strength saving throw or be restrained by the entangling plants until the spell ends. A creature restrained by the plants can use its action to make a Strength check against your spell save DC. On a success, it frees itself. When the spell ends, the conjured plants wilt away

2nd level (2 slots):
Blur:
Casting Time: 1 action
Range: Self
Components: V
Duration: Concentration, up to 1 minute
Their body becomes blurred, shifting and wavering to all who can see them. For the duration, any creature has disadvantage on attack rolls against them. An attacker is immune to this effect if it doesn't rely on sight, as with blindsight, or can see through illusions, as with truesight.

Blindness/Deafness:
Casting Time: 1 action
Range: 30 feet
Components: V
Duration: 1 minute
They can blind or deafen a foe. Choose one creature that they can see within range to make a Constitution saving throw. If it fails, the target is either blinded or deafened (your choice) for the duration. At the end of each of its turns, the target can make a Constitution saving throw. On a success, the spell ends. 

Multi-attack: Apocolothoth can either;

• Attack with both hands, then cast a spell
• Attack with their wings, then cast a spell
• Attack with their wings, then both hands

Unarmed Strike: Melee Attack:  Apocolothoth can reach out, elongating their arms up to 5ft. longer, and strike out at up to 2 targets. +4 to hit, reach 10 ft., 1 or 2 targets. Hit: 6 (2d4 + 5) bludgeoning damage. If using multi-attack, roll for both attacks.

Buffeting Wings: Ranged Attack: Using their wings, Apocolothoth can force a strong gust of air forwards in a 75ft. cone. Any creature within range must succeed on a DC 13 Dexterity Saving Throw. Any creature that fails is pushed back 10ft. taking 1d6 points of force damage, and knocked prone. On a success, the creature takes half damage and stays standing.

Opportunity Attack: Apocolothoth can make an opportunity attack whenever a hostile creature leaves their reach.

Apocolothoth can take 3 legendary actions, choosing from the options below. Only one legendary option can be used at a time and only at the end of another creature's turn. Apocolothoth regains spent legendary actions at the beginning of their turn.

False Moonlight: 1 Action. Centering from Apocolothoth, a bright off-grey light erupts from them in a 50ft. sphere. Any creature caught in the blast must make a DC 12 Constiution Saving Throw. On a failure, the creature takes 1d4 radiant damage, and is blinded until their next turn. On a success, the damage is halved, and the creature is not blinded.

Lunar Essence:  1 Action. Using this legendary action, Apocolothoth can regain 2d6+2 Hit Points.

Purge:  3 Actions. Using this legendary action, Apocolothoth can remove all negative effects against them, and weaken all nearby Celestial entities, causing every stat, attack, save, and spell save DC of Celestial entities to reduce by half.
*Warning*  Purge takes all three legendary actions to occur. This can only be used if no other legendary action had been taken during the round, and taking this action means that Lunar Essence and False Moonlight can't be used until Apocolothoth's next turn.