Two Heads. Vharak has advantage on Wisdom (Perception) checks and on saving throws agains being blinded, charmed, deafened, frightened, stunned, and knocked unconscoious.

Better Than One. Each of Vharak's heads attack independently and takes separate actions during the same turn.

One Eye Open. When one of Vharak's heads is asleep, the other is awake.

Multiattack. Vharak makes five attacks, four with her bite (2 per head) and one with her tail. The tail can't attack a target that was targeted by bite this turn.

Bite. Melee Weapon Attack: +10 to hit, reach 10 feet, one target. Hit: 22 (2d12 + 10) piercing damage. Target is automatically grappled (escape Strength DC 17).

Tail. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 18 (2d10 + 10) bludgeoning damage. (Dex Save DC 15) or knocked Prone.

Swallowed Whole. When Vharak becomes bloodied she may charge any target within 60 feet and (Dex Save DC 17 with Disadvantage) or is lifted in the air and ingested in a single gulp. Swallowed target is blinded and restrained. At the start of each of Vharak's turns the target moves 5 feet deeper into Vharak and takes 3d8 poison damage. If Vharak takes 40+ damage from a creature inside it, the creature is regurgitated, prone 10 feet from Vharak.

Summoning Screach. Vharak releases a terrifying screech that summons 1d6 Lizard Folk Warriors at the start of her next turn.

Tiny Hungry Mouths. Any character knocked prone is instantly attacked by 1d3 Baby T-Rex (AC 14, Hit Points 22 (2d10 +2), Speed 30 feet, Bite +5, Hit (1d8 +4), Str +4, Dex +5, Con +2, Int -1, Wis +0, Cha 0).

Rip and Tear. Vharak's heads attack any grappled character with double advantage (roll 4 d20).

It's A Toss Up. Vharak may throw grappled target 30 feet in any direction target takes 1d8+7 damage when landing and is prone. Any character in targeted spot takes 1d8 +7 damage and is knocked prone to an adjacent space.