Voraran

Special Trait Name. Frightful roar ; recharge (5-6) Voraran unleash a terrifying roar where every creatures in 45ft radius who can hear it receive 18(4d10) sonic damage and must make a wisdom saving throw dc 15 or become frightened AND deaf for 1d4 rounds

Action Name. attack ; Voraran uses two Claws attack plus a bite or uses its tongue bite

Action Melee Attack. Claws Attack: +10 to hit, reach 10 ft., 1 target. Hit: 14 (2d8 + 6) [slashing] damage. 

bite : attack +10to hit , reach 10, 1 target hit : 12 (2d6+6) piercing damage and target is restrained. On its next turn if it has a target in its mouth it can swallow it whole

Swallow whole ; the target is swallowed receiving 13 (2d6+7) acid damage at the start of its turn. If a creature inside the voraran deals 20points of damage in a single round, the voraran must make a constitution saving throw DC 18 or vomit the swallowed creature.

Action Ranged Attack. Tongue bite Attack: +10 to hit, range 20/30 ft., 1 target. Hit: 12 (2d10 +6) [half bludgeoning half piercing] damage. + 16 (4d8 poison damage)  Target becomes poisoned for 1 minute. Target can attempt at a constitution saving throw DC 19, this is constitution based, to receive half damage and not being poisoned.

Reaction Name. shove ; Voraran can makes an opposed athletic check against someone who just hit it for at least 15point of damage to try to push it back. On success, the target is pushed back 10ft and knocked prone. On a failure, nothing happens. Voraran has advantage for this reaction

Voraran has 3 legendary actions it can take at the end of another creatures turn. Legendary action replenish at the start of Voraran next round

Legendary resistance ; Voraran has 2 legendary resistance where if it fails a saving throw it can choose to have succeeded instead.

Legendary Action Name (Costs # Actions).

(1 action) voraran can uses one bite action

(2 actions) voraran uses its tongue bite action

(3 actions) voraran can jump 40 ft away without provoking AoO