Belial

Lord of Lies. Belial is immune to deception and can disguise himself as anyone.

Arm Slam. Melee Weapon Attack: +15 to hit, reach 40 ft., 1-4 target. Hit: 2 (2d8 + 3) Bludgeoning damage. Belial slams the ground with his arm, trying to hit a PC, those that are within 10 ft are knocked back 5 ft and can become prone.

Poisoned Fire Breath. RangedWeapon Attack: +15 to hit, range 20 ft., 1-8 target. Hit: 2 (2d6 + 2) Fire/Poison damage. Belial lowers his head to the level of the PCs and moves it from left to right, spitting green poison fire. PCs are given the effect of poison and fire.

Speak. Belial will begin to speak to the PCs in a manner that sounds like a child that had his favorite toy taken away.

Legendary actions can be made once every other turn.

Acid Bubbles [Requires Concentration](Costs 1 Full Turn). Belial thrusts his arms into the ground causing multiple acid bubbles to rise to the surface and pop leaving puddles of acid and leaving the status effect poisoned. And dealing damage whilst the PC stands in the puddle. Standing in puddle: 1d6 Acid Damage

Summon (Costs 1 Actions). Belial summons 1d4 Serpent guards.