Standing Leap. The bulette's long jump is up to 30 feet and its high jump is up to 15 feet, with or without a running start.

Deadly Leap. If the Bulette jumps at least 15 feet as part of its movement, it can then use this action to land on its feet in a space that contains one or more other creatures. Each of those creatures must succeed on a DC 16  Dexterity saving throw or be knocked prone and take (3d8 + 9) bludgeoning damage. On a successful save, the creature takes only half the damage, isn't knocked prone, and is pushed 5 feet out of the bulette's space into an unoccupied space of the creature's choice. If no unoccupied space is within range, the creature instead falls prone in the bulette's space.

Multi-attack. The Bulette makes two melee attacks

• Bite. Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit: (3d10 + 8) piercing damage.
• Tail. Melee Weapon Attack: +15 to hit, reach 15 ft., one target. Hit: (3d8 + 8) slashing damage.
• Slam. Melee Weapon Attack: +15 to hit, reach 5 ft., one target. Hit: (3d8 + 9) bludgeoning damage and target makes a DC15 Dex save or knocked prone be pinned.(Grappled)

has 3 Legendary resistances per day.

The Bulette can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The Bulette regains spent legendary actions at the start of its turn.

Crushing Blow (Costs 2 Actions). If a is creature pinned under him, he may use a legendary action to rear up and slam his gargantuan body into the creature for 6d10 bludgeoning damage unless the creature makes a DC15 Dex save.

Attack (Costs 1 Actions). The Bulette makes a melee attack.

Move (Costs 1 Actions). The Bulette can move up to half his movement speed.

any critical hit against the Bulette becomes a normal hit.

Immutable Form. The Bulette is immune to any spell or effect that would alter its form.