Anjanath

Savage From. When Anjanath’s hit points are reduced to 70 or lower, it automatically uses Dragon Roar, ignoring any recharge requirement, and enters the Savage Form state.
When Savage Form is triggered:
The Jho Smash (Recharge 4) ability immediately recharges once, regardless of its recharge condition. Anjanath’s hit points are set to 100. All negative conditions currently affecting it are removed. This effect occurs only once, the first time Savage Form is activated.
After entering Savage Form:
Bite and Jho Smash attacks deal an additional 6 (2d6) fire damage.
can never be made with disadvantage.

Keen Smell. The The Anjanath has advantage on Wisdom (Perception) checks that rely on smell.

Multiattack. The Anjanath makes three melee attacks: Two bite attack, one body slam attack or Jho Smash.

Bite. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 15 (3d6 + 6) piercing damage.

Body Slam. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 15 (3d6 + 6) bludgeoning damage and is knocked prone.

Jho Smash (Recharge 4). The Anjanath drags its massive jaws along the ground before lunging forward in a straight line for 40 feet, without provoking opportunity attacks. Each creature in its path must make a Strength saving throw (DC 15). On a failed save: The creature takes 10 (2d6 + 6) piercing damage, and is knocked prone. On a successful save: The creature takes half damage and is not knocked prone.
 
Flame Bust (Savage From/Recharge 5). The Anjanath exhales fire in a 80-foot line that is 5 feet wide. Each creature in that line must make a DC 15 Dexterity saving throw. On a failed save: The creature takes 36 (12d6) fire damage and is knocked prone. On a successful save: The creature takes half as much damage.

Roar (Recharge 6). When Anjanath takes damage, it lets out a terrifying roar. Every creature within 60 feet that hears the roar must make a Wisdom saving throw (DC 15). On a failed save, the creature is frightened until the end of its next turn.

Tail Sweep Counter. Make a retaliatory attack when the target misses with a TO HIT attack Melee Weapon Attack: range 5 ft., +9 to hit, one target. Hit: 15 (3d6 + 6) bludgeoning damage., If the target is a Medium or smaller creature, it has the Prone condition.

Crushing Leap (1/round). If Anjanath jumps at least 40 ft., it can land in a space occupied by creatures. This leap does not provoke opportunity attacks. Each creature in the target space and within 5 ft. of it must make a DC 15 Strength saving throw. On a failed save The creature is knocked prone and takes: 15 (3d6 + 6) bludgeoning damage  and 15 (3d6 + 6)  slashing damage. On a successful save: The creature takes half total damage, is not knocked prone, and is pushed 5 ft. to the nearest unoccupied space of its choice outside Anjanath space. If no unoccupied space is available: The creature falls prone in Anjanath space.