Void-Cultivated Devourer

Each time the Devourer deals damage, it gains 1 Void Charge (maximum 5).

At 3 Charges: + 20 AC , any hit your opponent uses are now 1 hit point
At 5 Charges: Advantage on all attack rolls

Creatures within 10 feet treat the area as difficult terrain.

Any creature that starts its turn in this area takes 15 (4d20) force damage.

As a bonus action, the Devourer becomes partially intangible until the start of its next turn.

While in this state:
- It has resistance to all damage
- It can move through creatures and objects as if they were difficult terrain

The Devourer makes two Void Claw attacks.

Melee Weapon Attack: +40 to hit, reach 10 ft., one target.

Hit: 30(4d10 + 4) slashing damage plus 10(2d6) force damage.

The Devourer targets up to three creatures it can see within 30 feet.

Each target must make a DC 40 Strength saving throw.

On a failed save:
- Takes 22 (4d20) force damage
- Is knocked prone

On a success:
- Takes half damage and is not knocked prone

void claw extra 

Melee Weapon Attack: +30 to hit, reach 5 ft., one target.

Hit: 40(2d20+4) necrotic damage.

The Devourer regains hit points equal to the necrotic damage dealt and gains 3Void Charge.

All creatures within 20 feet must make a DC 30 Dexterity saving throw.

On a failed save:
- Take 27 (6d8) force damage
- Are pulled to the center
- Are restrained until the end of their next turn

On a success:
- Take half damage and are not restrained

Reaction Name. Void Counter

When a creature within 10 feet hits this creature with an attack, it can lash out with void energy. The attacker must make a Dexterity saving throw (DC 30). On a failed save, it takes 3d20 necrotic damage and is pushed 10 feet away. On a success, it takes half damage and is not pushed.

The Void-Cultivated Devourer 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 Void-Cultivated Devourer regains spent legendary actions at the start of its turn.

If the Devourer reduces a creature to 0 hit points, it regains 1 spent legendary action.

void strike (cost :1 action)

The Devourer makes one Void Claw attack.

2. Gravitational Pull (Cost: 1 Action)

The Devourer targets one creature it can see within 30 feet. The target must succeed on a Strength saving throw (DC 15) or be pulled up to 20 feet toward the Devourer and knocked prone.

3. void plam

your opponents ac will drop to 20 . Roll a save dc wisdom (dc 30) , failed damage you take half damage for 3 rounds . Success damage is half 

Mythic Actions
If the creature’s Mythic Trait is active, it can use the options below as legendary actions for 1 hour after activating its mythic state.

The creature can take 3 mythic actions, choosing from the options below. Only one mythic action option can be used at a time and only at the end of another creature’s turn. The creature regains spent mythic actions at the start of its turn.

Void Strike (Costs 1 Action). The creature makes one attack. On a hit, the attack deals an additional 2d8 force damage.

Warp Step (Costs 1 Action). The creature magically teleports up to 30 feet to an unoccupied space it can see.

Gravitic Crush (Costs 2 Actions). Each creature within 10 feet must succeed on a Strength saving throw (DC = 8 + proficiency bonus + relevant ability modifier) or take 3d10 force damage and be knocked prone. On a success, they take half damage and are not knocked prone.

Devour Essence (Costs 3 Actions). The creature targets one creature it can see within 30 feet. The target must make a Constitution saving throw. On a failure, it takes 4d10 necrotic damage, and the creature regains hit points equal to half the damage dealt.