As a Bonus Action, Maeve can regain hit points equal to 1d10 plus her fighter level. She can use this feature a number of times per Long Rest based on her fighter level.

Maeve adds a Superiority Die to an attack roll she missed, turning near misses into solid hits.

Maeve strikes back when an enemy overcommits, using their miss to launch a punishing counterattack.

Maeve drives an enemy backward with a brutal hit, forcing a saving throw or a shove back through the battlefield.

Maeve braces herself or an ally behind tactical footwork, gaining a bonus to AC until the start of her next turn.

Maeve has the fighter's full martial training, including all armor and shield proficiency, expertise with simple and martial weapons, and the discipline to stand at the center of any fight.

Choose a Fighting Style feat. Whenever Maeve gains a fighter level, she can replace that feat with another Fighting Style feat. A strong choice for her is Defense, which improves her already formidable durability.

Maeve knows how to use the mastery properties of her weapons, and can apply martial technique to enhance her strikes.

Maeve can push herself beyond normal limits, taking an additional action on her turn. She can use this feature twice, and regains all uses on a Short or Long Rest.

Maeve gains a Fighter Subclass. As a Battle Master, she learns tactical maneuvers fueled by Superiority Dice.

Maeve gains the Battle Master’s maneuver system, which lets her spend Superiority Dice to alter attacks, defenses, movement, and battlefield control. She knows the following maneuvers: Precision Attack, Riposte, Pushing Attack, Parry, Disarming Attack, Trip Attack, Goading Attack, Bait and Switch, and Tactical Assessment.

Maeve gains proficiency with one type of Artisan’s Tools and one skill from the fighter skill list. She has learned to read a battlefield as an officer reads a map.

Maeve gains an Origin feat from her background choices. As a Human, she also gains an additional Origin feat of her choice.

Maeve gains the Savage Attacker origin feat from her Soldier background, allowing her to strike with ruthless efficiency and improve damage rolls from weapon attacks.

When Maeve takes the Attack action, she can attack twice instead of once.

Maeve can move a short distance without provoking Opportunity Attacks, helping her reposition in the chaos of battle.

Maeve gains another Origin feat from her Human versatility. A fitting choice is Alert, which reflects her constant battlefield vigilance and quick reaction time.

Maeve adds her Proficiency Bonus to Initiative rolls, and can use a brief mental focus to steady herself in combat.

Maeve can reroll a failed saving throw after seeing the result, turning sheer grit into a last line of defense.

Maeve’s Battle Master training deepens, improving the reliability and potency of her superiority dice and maneuvers.

Maeve can observe a creature and quickly assess its battlefield strengths and weaknesses, including immunities, resistances, and vulnerabilities.

Maeve’s experience lets her maintain pressure between fights, carrying momentum and discipline into every encounter.

Maeve’s martial instinct sharpens again, letting her apply battlefield knowledge with terrifying consistency and composure.

Maeve can use Action Surge twice, and her Indomitable feature has three uses. Her class has reached the pinnacle of martial mastery.

When Maeve takes the Attack action, she can make four attacks instead of one.

Maeve can invoke her military rank to earn deference from soldiers and veterans, requisition simple gear or temporary mounts when her authority is recognized, and usually gain access to friendly encampments and fortresses tied to her former command.