Katsuki makes an Unarmed Strike as a bonus action while using Fisticuffs.

Katsuki spends 1 Moxie Point to make two Unarmed Strikes as a bonus action.

Katsuki has proficiency with thieves' tools and can use a bonus action to Dash, Disengage, or Hide.

Katsuki can use a bonus action to make a Wisdom, Perception, or Intelligence, Investigation check to spot or decipher hidden information.

Katsuki can study a creature as a bonus action. If she succeeds on an Insight check against its deception, she can use Sneak Attack against it without advantage or an adjacent ally for 1 minute, provided she uses a finesse or ranged weapon.

Katsuki has mastery of Unarmed Strikes and simple melee and improvised weapons while wearing light or no armor and no shield. She can make an Unarmed Strike as a bonus action, use a 1d8 Fisticuffs Die, and all improvised weapons count as having Sap mastery for her.

Katsuki can use a bonus action to gain temporary hit points equal to 1d8 plus her Pugilist level and Constitution modifier.

Katsuki can use a bonus action to gain resistance to bludgeoning, piercing, and slashing damage for 10 minutes and ignore exhaustion levels below 6. Once used, this requires a long rest unless she accepts one level of exhaustion.

Katsuki can use a bonus action to gain all the benefits of Dig Deep for 1 minute and use School of Hard Knocks twice per turn. At level 20, she can use this feature twice per long rest.

When Katsuki takes damage, she can use a reaction to regain all expended Moxie Points. If bloodied, she also gains 52 temporary hit points. Once used, this requires a short or long rest.

While grappling a creature, Katsuki has half cover against attacks from creatures she is not grappling. When such a creature misses her, she can expend 1 Moxie Point as a reaction to redirect the attack against a creature she is grappling.

Katsuki spends 1 Moxie Point to make an Unarmed Strike and Dash or Disengage.

Katsuki makes two attacks with the Attack action and can combine an Unarmed Strike with a Grapple or Shove.

Katsuki uses an Unarmed Strike to deal damage, Grapple, and Shove when appropriate.

Katsuki uses School of Hard Knocks for extra damage, maximum damage on the next hit, or to draw enemy attacks toward herself.

Katsuki deals an extra 4d6 damage once per turn when she hits with a qualifying finesse or ranged weapon attack and has advantage, or when an ally is adjacent to the target.

Katsuki knows the secret language of rogues and recognizes thieves' signs and hidden messages.

Katsuki can make a Wisdom, Insight check contested by a creature's Charisma, Deception check. On a success, she know whether the creature is lying, and she gains an accurate read of its combat ability.

Katsuki has advantage on initiative rolls while not incapacitated.

Katsuki can use her reaction to halve the damage from one attack that hits her.

Katsuki takes no damage on a successful Dexterity saving throw for half damage, and only half damage on a failure.

While unarmored or wearing light armor and not using a shield, Katsuki's base AC equals 12 plus her Constitution modifier.

Katsuki has 13 Moxie Points. She regains all expended points after a short or long rest. She knows Brace Up, One-Two Punch, and Stick and Move.

When Katsuki fails a Strength, Dexterity, Constitution, or Charisma check, she can expend 1 Moxie Point and add 1d8 to the check. If it still fails, she regains the point and cannot use this feature again until a short or long rest.

When Katsuki hits with an Unarmed Strike, she can deal its damage and also Grapple or Shove the target.

Katsuki gains the Squared Circle Pugilist subclass.

Katsuki gains an Ability Score Improvement at Pugilist level 4.

Katsuki can attack twice when she takes the Attack action.

Katsuki can expend 1 Moxie Point when attacking with an Unarmed Strike or Pugilist weapon. On a hit, the attack deals maximum damage and the point is regained.

Katsuki can choose Force damage instead of the normal damage type whenever she deals damage with an Unarmed Strike or improvised weapon.

After using Bloodied But Unbowed while bloodied, Katsuki can gain a bonus to Unarmed Strike and Pugilist weapon damage equal to her Constitution modifier plus her exhaustion level for 1 minute.

Once per turn, Katsuki can deal an extra 1d12 damage with an Unarmed Strike or Pugilist weapon attack, or forgo it to cause the next hit against the target to deal maximum damage or to impose disadvantage on attacks against creatures other than her.

Katsuki's Strength score is doubled for carrying capacity, her Unarmed Strikes automatically critically hit objects, and her jump distance is doubled.

At the start of her turn, Katsuki can remove one exhaustion level or end blindness, charm, deafness, fright, paralysis, poison, restraint, or stun. Once used, this requires a long rest unless she accepts one exhaustion level.

Katsuki gains an additional Ability Score Improvement at Pugilist level 12.

Katsuki has advantage on Strength, Dexterity, and Constitution saving throws. When she fails any saving throw, she can expend 1 Moxie Point to reroll it.

When Katsuki rolls initiative, she can remove one exhaustion level and regain her uses of Down But Not Out, Dig Deep, and Shake It Off. Once used, this requires a long rest.

When Katsuki starts her turn grappling one or more creatures, she deals 1d8 plus 3 bludgeoning damage to each creature grappled. She can expend 1 Moxie Point to impose disadvantage on a save or check against her Grapple or Shove DC. When she hits with an Unarmed Strike without using a mastery property, she can Grapple and Shove as part of the same attack.

Katsuki gains Expertise in Athletics.

Katsuki counts as one size larger when Grappling or Shoving. She does not spend extra movement to move a grappled creature her size or smaller.

Katsuki can always find a place to perform, usually an arena, tavern, fairground, or public square. She can secure modest food and lodging for herself and her companions by performing, and local audiences often recognize her stage persona.