You can attack twice whenever you take the Attack action.

Your Fisticuffs die is 1d12. You can make an Unarmed Strike as a Bonus Action. Improvised weapons have the Sap mastery.

Bonus Action for resistance to physical damage and ignore exhaustion for 10 minutes. Restored by taking a level of exhaustion.

As a reaction when taking damage, regain all Moxie points. If bloodied, gain 80 Temporary Hit Points.

If hound is within 5ft of your target, it can use a reaction to grant you advantage and deal 3d4 extra damage.

If your hound is damaged, you can move half speed and counterattack as a reaction.

While wearing light or no armor and no shield, AC equals 12 plus Constitution modifier.

You have 20 Moxie Points. Use them for Brace Up, One-Two Punch, or Stick and Move.

Expend 1 Moxie to add your Fisticuffs die to a failed STR, DEX, CON, or CHA check.

When you hit with an Unarmed Strike, you can also Grapple or Shove the target.

You have a faithful Hound companion named Koth with unique combat actions.

Your hound gains benefits from your Brace Up, One-Two Punch, and Stick and Move abilities.

Expend 1 Moxie to deal maximum damage with an Unarmed Strike or Pugilist weapon hit. Regain moxie on hit.

Unarmed strikes and improvised weapon attacks can deal Force damage.

When using Bloodied But Unbowed while bloodied, add CON mod plus exhaustion levels to damage for 1 minute.

Once per turn deal extra 1d12 damage or apply Endanger or Provoke effects.

Strength doubled for carrying, automatic critical hits on objects, and double jump distance.

At start of turn, remove one exhaustion level or one of many conditions (Blinded, Charmed, etc).

Enhanced Dig Deep for 1 minute, can use School of Hard Knocks twice per turn. 2/Long Rest.

Advantage on STR, DEX, CON saves. Can expend 1 Moxie to reroll failed saves.

Regain uses of Down But Not Out, Dig Deep, and Shake It Off when rolling initiative.

When hound is bloodied, it gains massive temporary HP, speed, and bonus bite commands.

When dropped to 0 HP, stay at 1. Gain half max HP as Temp HP, regain all Moxie, gain resistance to nearly all damage.

When you miss an attack roll, you can hit instead. Once per turn.

Max Str and Con scores increased. Recover all exhaustion on long rest. Recover HP equal to level x 2 on short rest.

You have the Savage Attacker origin feat, letting you roll damage twice and take the higher result for one melee attack each turn.