Pech

Age, Pech live for around 150 years, reaching adulthood around the age of 30.
Size, Pech stand around 3-5ft tall. Your size is small.
Speed, your base walking speed is 35 feet.
Superior Darkvision, you can see in dim light within 120ft of you as if it were bright light and in darkness as if it were dim light. You can’t discern colour in darkness, only shades of grey.
Iron Claws, your unarmed attacks deal 1d6 slashing damage. Additionally, you have a climbing speed 30ft.
Stone Sense, as long as you are in contact with the stone you have a tremor sense of 30ft
Stone Passage, as a bonus action you can open a passage in the stone allowing you to burrow through nonmagical, unworked earth and stone. You gain a burrowing speed of 60ft. You cannot exit the passage into an occupied space. Once you use this ability you cannot do so again until you finish a long rest.
Languages, you can speak, read, and write Common, Undercommon and Deep Speech.