You sharp mouth allows you to make a bite attack, dealing piercing damage of 2d6 + your Strength modiifer.

When you are struck by a creature within 5 feet of your, you can use your reaction to cause that creature to take 1d4 piercing damage from the barbs on your shell.

When in times of water shortage, you are able to conserve any water you do have in your body.  You have advantage on Constitution saving throws against exhaustion.

Your Strength and Constitution scores increase by 2, and your Wisdom score increases by 1. Your Dexterity score is reduced by 1.

Tortle reach adulthood at around 20 years of age, and can live beyond 200 years.

Tortles tend to lead orderly, ritualistic lives. They develop customs and routines, becoming more set in their ways as they age. Most are lawful good. A few can be selfish and greedy, tending more toward evil, but it’s unusual for a tortle to shuck off order in favor of chaos.

Tortle adults stand 5 to 6 feet tall and average 450 pounds. Their shells account for roughly one-third of their weight. Your size is Medium.

Your base walking speed is 30 feet. You have a swimming speed of 20 feet.

Your claws are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 1d4 + your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike.

You can hold your breath for up to 1 hour at a time. Tortles aren’t natural swimmers, but they can remain underwater for some time before needing to come up for air.

Due to your shell and the shape of your body, you are ill-suited to wearing armor. Your shell provides ample protection, however; it gives you a base AC of 17 (your Dexterity modifier doesn’t affect this number). You gain no benefit from wearing armor, but if you are using a shield, you can apply the shield’s bonus as normal.

You can withdraw into your shell as an action. Until you emerge, you gain a +4 bonus to AC, and you have advantage on Strength and Constitution saving throws. While in your shell, you are prone, your speed is 0 and can’t increase, you have disadvantage on Dexterity saving throws, you can’t take reactions, and the only action you can take is a bonus action to emerge from your shell.

You gain proficiency in the Survival skill. Tortles have finely honed survival instincts.

You can speak, read, and write Aquan and Common.