Crustatiums can use their claws to make a bludgeoning or slashing attack and the crustatiums have advantage on attack rolls against a creature if at least one of the crustatium's allies is within 5 ft. of the creature and the ally isn't incapacitated.

Your Dexterity score increases by 2 and your Charisma score increases by 1.

Crustatiums live 3 to 5 years but some subspecies can live up to 30.

Most Crustatiums are mostly lawful neutral but have been known to dip into the bad side on occasion due to them being easily persuaded.

Grungs stand between 2 ½ and 3 ½ feet tall and average about 30 pounds. Your size is Small.

You have proficiency in the Perception skill.

Your base walking speed is 35 feet, and you have a burrowing speed of 30 feet depending on the material.

You can breathe air and water.

Because of your hardened shell, you are resistant to non-magical slashing and piercing damage and vulnerable to bludgeoning damage.

You can speak, read, and write Gin your natural tongue of Garglespeak and have picked up the basics of Common along your adventures.