Darkvision

You have Darkvision with a range of 120 feet.

Stonecunning

As a Bonus Action, you gain Tremorsense with a range of 60 feet for 10 minutes. You must be on a stone surface or touching a stone surface to use this Tremorsense. The stone can be natural or worked. You can use this Bonus Action a number of times equal to your Proficiency Bonus, and you regain all expended uses when you finish a Long Rest.

Steel Bones

You have Resistance to bludgeoning damage. You also have Advantage on saving throws you make to avoid being knocked back.

Steelborn Toughness

As a reaction, you may roll a d6 and add that to your AC potentially protecting yourself enough from a strike by hardening the blood under your skin.

Mineral Locator

You have proficiency in Mining Tools and Jeweler’s Tools, as well as adept eye for looking for precious minerals and gems. You have advantage when rolling Investigation or Perception checks to look for any minerals within the earth.