As a bonus action, Gorrok can regain 1d10 + 18 hit points once per short or long rest.

Gorrok can use a bonus action to command an ally within 60 feet to use its reaction to make one weapon attack with bonus damage equal to his superiority die.

Gorrok can use a bonus action to command one ally within 60 feet who can hear him to use its reaction to make one weapon attack. The ally adds Gorrok's superiority die to the attack's damage roll.

Gorrok can make a reaction attack when a creature misses him with a melee attack.

Gorrok can expend a superiority die when a creature misses him with a melee attack to make one melee weapon attack against it as a reaction.

Gorrok can take one additional action on his turn, twice per short or long rest, though only once on the same turn.

Gorrok can reroll a failed saving throw, up to three times per long rest.

Gorrok can attempt to frighten a creature after hitting it with a weapon attack.

Gorrok can knock a creature prone after hitting it with a weapon attack.

Gorrok can attack three times whenever he takes the Attack action on his turn.

Gorrok gains a superiority die, initially d8, which becomes a d10 at 10th level. He has six superiority dice, regained on a short or long rest, and knows nine maneuvers. His maneuvers include Commander's Strike, Disarming Attack, Distracting Strike, Goading Attack, Maneuvering Attack, Menacing Attack, Precision Attack, Riposte, and Trip Attack.

Gorrok learns one type of artisan's tool and gains proficiency with it. He learned smith's tools, allowing him to maintain, repair, and evaluate weapons and armor.

Gorrok can study the behavior, speech, habits, and fighting style of another creature for at least 1 minute to learn whether it is superior, equal, or inferior to him in two selected ability scores, class levels, and fighter levels, at the DM's discretion.

Gorrok can expend a superiority die when he hits with a weapon attack to force the target to drop one object it is holding on a failed Strength saving throw.

Gorrok can expend a superiority die when he hits a creature to give the next attack against that creature by an ally advantage before the start of his next turn.

Gorrok can expend a superiority die when he hits a creature to impose disadvantage on attacks against creatures other than him until the end of his next turn on a failed Wisdom saving throw.

Gorrok can expend a superiority die when he hits a creature to let one ally move up to half its speed without provoking opportunity attacks.

Gorrok can expend a superiority die when he hits a creature to frighten it until the end of his next turn on a failed Wisdom saving throw.

Gorrok can expend a superiority die to add it to a weapon attack roll after rolling but before knowing whether the attack hits.

Gorrok can expend a superiority die when he hits a creature to knock it prone on a failed Strength saving throw.

Gorrok gains one additional use of Action Surge between rests, for a total of two uses. He cannot use both on the same turn.

Gorrok gains an Ability Score Improvement or a feat. He receives these improvements at fighter levels 4, 6, 8, 12, 14, 16, and 18.

Gorrok gains one additional action surge use between rests and improves his tactical mastery through continued Battle Master training.

Gorrok gains one additional Ability Score Improvement or feat at 18th level.

Gorrok can reliably find the common military organizations, encampments, and veterans of the region, and can secure basic aid and temporary shelter from soldiers who recognize his rank or reputation.