Your Dexterity score increases by 2.

A Mus reaches adulthood at the age of 5 and lives to be about 40 years old.

Mus average about 4 feet tall and weigh about 60 pounds. Your size is Small.

Your base walking speed is 30 feet.

When you roll a 1 on the d20 for an attack roll, ability check, or saving throw, you can reroll the die and must use the new roll.

You have advantage on saving throws against being frightened.

You have proficiency in the Perception skill.

You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.

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