Make an additional action on your turn, except the Magic action. Use it for another Attack action, Dash, Dodge, Disengage, or a crucial tactical maneuver.

You can attack three times instead of once whenever you take the Attack action.

You can attack four times instead of once whenever you take the Attack action.

As a Bonus Action, regain 1d10 + Fighter level hit points. If needed, spend the movement from Tactical Shift to reposition without provoking opportunity attacks.

As a Bonus Action, you regain Hit Points equal to 1d10 plus your Fighter level. You can use this feature 4 times, regain one expended use on a Short Rest, and all uses on a Long Rest.

You can attack twice instead of once whenever you take the Attack action. Whenever you activate Second Wind as a Bonus Action, you can move up to half your Speed without provoking Opportunity Attacks.

On a missed attack, gain Advantage on your next attack against that same creature before the end of your next turn.

Replace a weapon mastery property with Push, Sap, or Slow to control the battlefield and keep enemies where you want them.

You gain a Fighting Style feat of your choice. Defense is recommended, but this build favors Unarmed Fighting for a brutal prison-brawler feel, or Dueling if you want a weapon-first style.

You can use the mastery properties of 6 kinds of Simple or Martial weapons of your choice. This character favors finesse weapons and close-quarters tools, such as shortsword, dagger, scimitar, rapier, handaxe, and longbow.

When you fail an ability check, you can expend a use of Second Wind to roll 1d10 and add it to the check. If the check still fails, the Second Wind use is not expended.

Choose the Psi Warrior subclass. You gain psionic combat abilities, telekinetic defense, and mental discipline that scale through the class.

You gain the Ability Score Improvement feat or another feat for which you qualify. At this level, the build's manual scores already represent the final intended profile.

You gain another feat or Ability Score Improvement. In play, this is an ideal place for a mobility or defense feat.

Psionic refinement deepens. Your subclass grants additional psychic and defensive options, typically improving your ability to shield allies and project force.

You gain another feat or Ability Score Improvement.

If you fail a saving throw, you can reroll it with a bonus equal to your Fighter level. You have 1 use before a Long Rest at this level. You also gain Tactical Master, letting you replace a weapon mastery property on a hit with Push, Sap, or Slow.

Your subclass grants a further Psi Warrior feature, strengthening your mental defenses and battlefield control.

You gain another feat or Ability Score Improvement.

Indomitable now has 2 uses before a Long Rest. You also gain Studied Attacks, which gives you Advantage on your next attack roll against a creature you missed before the end of your next turn.

You gain another feat or Ability Score Improvement.

Your subclass grants a high-level Psi Warrior feature, usually your signature defensive psionic technique.

You gain another feat or Ability Score Improvement.

Action Surge has 2 uses and Indomitable has 3 uses before a Long Rest.

Your subclass grants its capstone martial feature, a major psionic enhancement that makes you terrifyingly hard to pin down or break.

You gain an Epic Boon feat or another feat for which you qualify. A martial boon such as Boon of Combat Prowess fits this build well.

2024 backgrounds grant an Origin feat instead of a separate named background feature. Criminal provides Alert, training in Sleight of Hand and Stealth, proficiency with Thieves' Tools, and a criminal starting equipment package.