The sweat in your eyes. The adrenaline in your blood. The subtle dance of battle.
Reworked version of the Champion of the Arena (renamed to avoid confusion with the nimble subclass of the same name).
Level 3
Adrenalin Surge.
(1/encounter) Gain an extra Action. Recharges the first time you are Bloodied each encounter.
Ready for Action.
Advantage on Initiative. You may Assess for free when rolling Initiative.
Level 7
Seasoned Combatant.
Choose a Combat Tactic. +1 max Combat Dice.
Level 11
Studied Strikes.
Attacking an enemies weakpoint deals additional damage equal to the max value of your Combat Die.
Level 15
Master at Arms.
Roll combat dice with advantage.
Variant Rules
If your players want a more classic 5e fighter experience you can swap out Coordinated Strike for Precise Strike.
If you don't want to use weakpoints there is an alternate version of Studied Strike without it.
Precise Strike
(1/round) Free action: Your next attack has advantage and it deals double damage. You can do this INT times/Safe Rest.
Studied Strike (alt)
When you Assess an enemy, you may expend a Combat Die. If you do, until the end of your next turn your attacks against that enemy deal additional damage equal to the value of the die.