New fighter features.
2nd level, tactical mind. Non combat utility. Expend uses of second wind to get a d10 to add to ability checks.
I wonder if initiative counts?
5th, tactical shift. second wind, can move half your speed without provoking. get hp and go protect your friend or go after ranged attacker or spellcaster.
13th, studied attacks, if they make an attack roll and miss they get advantage on next attack roll.
Battlemaster.
People love this subclass, they didn't want to raid it for other subclasses.
Know your enemy is a bonus action.
15th level once per turn you can use a maneuver without spending dice.
Revisited every manuever option. Tweaked them.
Imported some from Tashas