Fighter
Base Class: Fighter

GLADIATOR:

Improved Critical: Beginning when you choose this archetype at 3rd level, your weapon/unarmed attacks score a critical hit on a roll of 19 or 20

Trained Eye: Starting at the 7th level you learn the "true strike" cantrip and can use it as a reaction. If you land the spell then you also gain +4 to whatever your damage roll is. 

Additional Fighting Style: At 10th level, you can choose a second option from the Fighting Style class feature. 

Public Enemy #1: At the 15th level, When fighting in front of more than 15 people then you gain proficiency in all skills that you aren't already proficient in. If you are engaged with only 1 creature you deal +5 damage for non ranged attacks.

Trophy Kill: At the 18th level, after killing a creature you gain inspiration, temporary hit points equal to your constitution modifier, and an immediate additional action.

Improved Crit

Improved Critical: Beginning when you choose this archetype at 3rd level, your weapon/unarmed attacks score a critical hit on a roll of 19 or 20

Trained Eye

Trained Eye: Starting at the 7th level you learn the "true strike" cantrip and can use it as a reaction. If you land the spell then you also gain +4 to whatever your damage roll is. 

Additional Fighting Style

Additional Fighting Style: At 10th level, you can choose a second option from the Fighting Style class feature. 

Public Enemy #1

Public Enemy #1: At the 15th level, When fighting in front of more than 15 people then you gain proficiency in all skills that you aren't already proficient in. If you are engaged with only 1 creature you deal +5 damage for non ranged attacks.

Trophy Kill

Trophy Kill: At the 18th level, after killing a creature you gain inspiration, temporary hit points equal to your constitution modifier, and an immediate additional action.