Alpha Male Brachiosaurus

Sure-Footed. The brachiosaurus has advantage on strength and dexterity saving throws made against effects that would knock it prone.

Siege Monster. The brachiosaurus does double damage against objects and structures

Trampling Charge. If the brachiosaurus moves at least 20 feet straight toward a creature and then hits it with a gore attack on the same turn, that target must succeed on a DC 18 Strength saving throw or be knocked prone. If the target is prone, the brachiosaurus can make one stomp attack against it as a bonus action.

Rampage. When the brachiosaurus reduces a creature to 0 hit points, with a melee attack on its turn, then take a bonus action to move up to half its and make a melee attack.

Stomp. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 46 (8d12 + 7) bludgeoning damage. If target is a creature, it must succeed on a DC 17 strength saving throw or be knocked prone.

Kick. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 18 (2d10 + 7) bludgeoning damage. If target is a creature, it must succeed on a DC 17 Strength or Dexterity saving throw or be knocked prone.

Bellow. Releases sonic energy in an 80-foot cone. Characters within the cone must succeed on a DC 23 Constitution saving throw or take 44 (8d10) thunder damage and be deafened as well as frighted

Slam. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 34 (2d10 + 8) bludgeoning damage.

Crushed. Melee Weapon Attack: +11 to hit, reach 5 ft., one prone target. Hit: X (4d10 + 7) bludgeoning damage when the animal crushed a enemy it will kill it instant