Dwarven Resilience:
You have advantage on saving throws against poison, and you have resistance against poison damage.
Stonecunning:
Whenever you make a History (Intelligence) check related to the origins of stonework, you considered proficient in the History skill and add double your proficiency bonus to the check, instead of your normal proficiency bonus.
Language:
You can speak, read, and write Common and Dwarvish.
Ability Score Increase:
Your Constitution Score increases by 2
Modifiers
ability[con]: 2
Sub Race
Hill Dwarf
Ability Score Increase:
Your Wisdom score increases by 1.
Mountain Dwarf
Ability Score Increase:
Your Strength score increases by 2.