Boxer

The Boxer is a fighter who uses nothing but their fists to deliver devastating blows to rattle their opponents.

Pugilistic Prowess

When you choose this archetype at 3rd level, you gain proficiency in unarmed strikes, referred to hereafter as "punches". The damage die from your punches is 1d6 bludgeoning.

Bob and Weave

Additionally at 3rd level, whenever you use the Attack action to make a punch, you gain +2 to your AC and saving throws against attacks, spells, or effects that target only you from the creature you punched, as you put up your dukes, preparing to block their attacks with your ferocious fists.

Left-Right Hook

Lastly at 3rd level, when you use the Attack action to make a punch, you may use a bonus action to make another punch. Your fists count as melee weapons for the purpose of the Dueling fighting style (even if you strike with more than one hand, you may add +2 to your damage for every punch). 

Crushing Blows

At 7th level, the damage die from your punches becomes a d8. Your punches count as magical for the purpose of overcoming resistance and immunity to nonmagical attacks and damage.

Knockout Shot

At 10th level, the damage die from your punches becomes a d10. Additionally, you may add a Belt Bonus of +1 to the attack and damage roll for every punch you make.

Haymaker

At 15th level, the damage die from from your punches becomes a d12, and your Belt Bonus to attack and damage rolls for your punches increases to +2.

Undisputed Champion

At 18th level, you are the king of the ring. The damage die from every punch you make explodes to 2d8, and your Belt Bonus to attack and damage rolls for your punches increases to +3.