Tarrasque Sense. If you gain blindsight from a feat or class feature, you may increase the radius of the blindsight gained from said feat or feature by 5 feet.

Monstrous Body. Your creature type is Monstrosity, and you have proficiency in Intimidation and Athletics .

Tarrasque Weapons. Your body is a living weapon. You have proficiency with unarmed strikes, and can do so with your tail, horns, or claws, dealing 1d6 plus your strength modifier of bludgeoning (tail), piercing (horns), or slashing (claws) damage on a hit. The size of your hands and claws means you can only wield a weapon with the Heavy property and have disadvantage on ability checks requiring tools in which you are not proficient.

Spiny Shell. You cannot wear armor or carry a shield, your AC is equal to 14 + your Constitution Modifier. In addition, when a creature grapples or hits you with an unarmed strike, they take 1d4 piercing damage.

Confident. You have advantage on saving throws against being charmed or frightened.

Smooth Shell. You no longer benefit from your Spiny Shell trait and your AC is equal to 12 + your Constitution modifier + half your Dexterity modifier (minimum 0). In addition, the damage die of your Tarrasque Weapons is 1d4, you can wield weapons without the Heavy property (but not weapons with the Light property), and you do not have disadvantage on ability checks made using tools in which you are not proficient.

Smooth Talker. You gain proficiency in Persuasion . Stone Quartarrasque Gavotta's children with ordinary and above-average races such as humans, goliaths, and elfs. They are the most common form of Quartarrasque, and served Gavotta as lieutenants due to their natural gifts of strength and ferocity.

Brace. As a bonus action, you enter a defensive stance by putting your shell between yourself and enemies, increasing your AC by 1 until you move more than 10 feet on a turn.

False Multiattack. When you hit a target with a melee attack, you can use your bonus action to make an unarmed strike on the same target using your tail, horns, or claws. You cannot use your claws if both hands are full. Hellstone Quartarrasque Gavotta's children with races of exotic heritages such as tieflings, dragonborn, and genasi. They are the rarest form of Quartarrasque, and often accompanied Gavotta's highest commanders as bodyguards due to the monstrous powers brought about by their other parent's special blood rekindling Gavotta's Tarrasque blood.

Tarrasque's Resistance. You gain resistance to fire damage and have advantage on saving throws against being paralyzed if you chose to increase your Strength , or you gain resistance to poison damage and advantage on saving throws against being poisoned if you chose to increase your Constitution .