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

Your base burrowing speed is 15 feet.

You have advantage on Wisdom (Perception) checks that rely on hearing or smell.

When you damage a creature with an attack or a spell and the creature’s size is larger than yours, you can cause the attack or spell to deal extra damage to the creature. The extra damage equals your proficiency bonus.

You can use this trait a number of times equal to your proficiency bonus, regaining all expended uses when you finish a long rest, and you can use it no more than once per turn.

You can take the Disengage or Hide action as a bonus action on each of your turns.

You can speak, read, and write Common and one language of your choice