Dark-vision: 60 ft

Dwarven Resilience: You have advantage on saving throws against poison, and you have resistance against poison damage (explained in the “Combat” section).

Stone-cutting: Whenever you make an Intelligence (History) check related to the origin of stonework, you are considered proficient in the History skill and add double your proficiency bonus to the check, instead of your normal proficiency bonus.

Two-Weapon Fighting: When you engage in two-weapon fighting, you can add your ability modifier to the damage of the second attack.

Second Wind: You have a limited well of stamina that you can draw on to protect yourself from harm. On your turn, you can use a bonus action to regain hit points equal to 1d10 + your fighter level. Once you use this feature, you must finish a short or long rest before you can use it again.

Criminal Contact: You have a reliable and trustworthy contact who acts as your liaison to a network of other criminals. You know how to get messages to and from your contact, even over great distances; specifically, you know the local messengers, corrupt caravan masters, and seedy sailors who can deliver messages for you.

Action Surge: Starting at 2nd level, you can push yourself beyond your normal limits for a moment. On your turn, you can take one additional action on top of your regular action and a possible bonus action.
Once you use this feature, you must finish a short or long rest before you can use it again.

Combat Superiority: When you choose this archetype at 3rd level, you learn maneuvers that are fueled by special dice called superiority dice.
Maneuvers. You learn three maneuvers of your choice. Many maneuvers enhance an attack in some way. You can use only one maneuver per attack. You learn two additional maneuvers of your choice at 7th, 10th, and 15th level. Each time you learn new maneuvers, you can also replace one maneuver you know with a different one.
Superiority Dice. You have four superiority dice, which are d8s. A superiority die is expended when you use it. You regain all of your expended superiority dice when you finish a short or long rest. You gain another superiority die at 7th level and one more at 15th level.
Saving Throws. Some of your maneuvers require your target to make a saving throw to resist the maneuver's effects. The saving throw DC is calculated as follows:
Maneuver save DC = 8 + your proficiency bonus + your Strength or Dexterity modifier (your choice)

Student of War: At 3rd level, you gain proficiency with one type of artisan's tools of your choice.