At 4th level, gain the following benefits:
choose 4 extra fighting skills from the fighter skill tree.
choose 2 extra weapon groups to become proficient with.
You can switch between weapons as a free action.
You can use weapon maneuvers by spending a move action, instead of a bonus action.
At 4th level, every melee attack against you provokes an attack of opportunity. Additionally, your attacks of opportunity have advantage.
At 5th level, choose 3 upgrades from the list below:
Expert cleave - Cleave can target 1 additional creature.
Footwork - The distance of movement maneuvers such as lunge, sidestep, or slash have their movement or distance increased by 5ft.
Perfect form - The block DC of your weapons is increased by 1. You gain a +1 bonus to block checks.
Belligerence - Your slam and pummel attacks now deal full damage. Your shove and hook maneuvers have their DC increased by 1.
Power strikes - The critical range of your chop attacks is increased by 1, and your crush maneuvers critically strike if the target rolls a natural 1.
Wind strikes - The swift and double-strike now have a third attack that triggers if both previous hit. All-in provides an extra free attack.
Momentum - All weapons you wield have the ram property.
Pursue mastery - Learn 3 extra fighting skills.
Overpowering - Your overpower damage dice count and size category are increased by 1.
Stamina reserves - You have a number of stamina points per rest equal to your highest physical ability score. You can spend a stamina point in place of a bonus or move action for a weapon maneuver.
At 6th level, you gain an extra reaction.
At 6th level, you can spend a rest die to remove disadvantage from an attack or maneuver you are executing. If the attack lands or the maneuver completes successfully, the rest dice are refunded.
Alternatively, you can spend a rest dice to gain advantage on a saves to prevent or end a condition or disabling effect. On a success, the rest dice is refunded and the effect or condition ends.