Belial, Lord of Lies

Web of Lies: When Belial, Lord of Lies takes more than 80 damage, all damage is split evenly between him and all greater apparitions (bugbears & Spirit Nagas). Every greater apparition he has increases the damage of his fall to darkness by 1D6, up to a maximum of 5D6. One stack is removed after a greater apparition dies. Belial, Lord of Lies Can have up to 4 Greater apparitions

Nourishment of Deception: When there is an Greater apparition within 30 ft of Belial, Lord of Lies; Belial, Lord of Lies has +5 AC (this cannot stack). If a creature misses Belial, Lord of Lies by less than 5, He heals for the full damage the attack would have done.

Purity of Mistrust: when Belial, Lord of Lies does more than 25 necrotic damage, he summons one Lesser apparition (imps or goblins). Belial, Lord of lies can only have 10 lesser apparitions, but each lesser apparition increases ALL poison damage done by Belial, Lord of Lies and greater apparitions by 1D4. One stack is lost after a lesser apparition dies. 

Strengthening Dishonesty: Every Apparition of Belial That is active increases Belial, Lord of Lies' health by 1D10, up to a maximum of 10D10. All active apparitions allied with Belial, Lord of Lies gain half this bonus.

Insight of Lies: Belial, Lord of Lies knows the HP of all enemy Creatures.

Legendary Resistance (3/day): if Belial, Lord of Lies fails a saving throw, he can choose to succeed instead.

Claw: melee attack, +10 to hit. Reach; 8 ft. 2D10+8 magical Slashing damage on hit.

Fall To Darkness(recharge 10): Belial, Lord of Lies summons 7 eyes of deceiving in an unoccupied space within 30 ft of him. On the next round, 6 of the eyes emit a 30 foot cone, all creatures in this cone must succeed on a DC19 DEX saving throw or take 10D6 necrotic damage, on a successful save, take half as much damage. The cones remain for 2 rounds before dissipating. The eye that closes has a safe area in front of it, making creatures take no damage from this attack.

Line Of Plague(recharge 9-10): Belial, Lord of Lies launches a wave of plague in a 10 ft wide 30 ft long line. All creatures in the line must succeed on a DC 20 DEX saving throw or take 5D12+18 Poison damage, Half as much on a successful save. 

Doom Gems(recharge 10): Belial, Lord of Lies summons 1D4+1 doom gems. Doom Gems seek out hostile creatures and attack them. Every round, any Creature within 10 ft of the doom gem takes 5D6 necrotic damage, double this if the creature is within 5 ft of the doom gem. Doom gems last for 2 rounds.

Acid Rain: Ranged attack, +8 to hit. 5 blobs of acid fall on nearby hostile creatures. Each Blob of acid deals 1D8 Acid damage for 4 rounds. If the acid blob hits, it will sumon an acid pool that is 5 ft wide. Being in the acid pool does 1D10 acid damage to enemies for 4 rounds.

Apparition (recharge 10): Belial, Lord of Lies summons 1D4 Apparitions to fight for him. Each apparition lasts 60 seconds and has all its damage types replaced with poison. You may choose what type of apparition he summons. For example; If you roll a 2 on the D4, then you may pick two of the following(but you may not choose the same creature twice):
1 spirit Naga
3 Imps
4 Goblins
1 Bugbear.

Command(recharge 9-10): Belial, Lord of Lies targets the enemy who has either: done the most damage to him OR has the most remaining health, then commands all Greater apparitions to attack that creature. All greater apparitions must use all actions to attack or run to that creature. Commanded apparitions gain the ability to use their bonus actions to attack the targeted creature. Apparitions will only attack that creature until they either receive a new command, die, or kill the creature.

Incursion: When Belial, Lord of Lies takes more than 43 damage on a single creatures turn, he summons an apparition of Belial. Each apparition of Belial acts on initiative count 20, casting Belial, lord of lies' line of plague or acid rain. Apparitions of Belial look exactly the same as Belial, Lord of lies, so can easily be misinterpreted as Belial, Lord of Lies. There can only be 10 apparitions of Belial at once. This can only happen once every 2 rounds.

Greater Incursion (costs 3 actions): Belial, Lord of Lies summons 2 Apparitions of Belial. They are the same as they are in incursion, however now last for 60 seconds. Belial, Lord of lies can choose (at any time) to possess one of these 2 Apparitions of Belial. If he does so, They switch health points. 

Apparition Betrayal (costs 1 action): All Apparitions of Belial explode, dealing 5D6 necrotic damage to all enemies around them. Belial, Lord of Lies retains the bonus from Strengthening Dishonesty for 8 rounds. Every apparition exploded increases Belial, Lord of Lies necrotic damage by 1D4 for 8 rounds.

Pushback (costs 3 actions): When Belial, Lord of Lies enters combat, he pushes all enemies within 30 feet of him back to 60 feet away from him.

Lie Storm (costs 3 actions): when Belial, Lord of Lies reaches 217 health, he creates a storm around him. While within 30 ft of him, creatures take no damage, but outside of 40 ft from him, creatures take 80D6 of damage every creatures turn. The storm lasts 24 seconds, and at the end of it, 1D6+1 Apparitions of Belial are summoned. Outside of 40 ft, the storm is 80 ft wide.