Kettig can use a bonus action to regain 1d10 + 10 hit points. He can use this feature three times and regains expended uses after a short or long rest.

When Kettig uses Second Wind as a bonus action, he can move up to half his Speed without provoking opportunity attacks.

As a bonus action, Kettig can study a creature he can see within 30 feet, learning whether it has any damage immunities, resistances, or vulnerabilities and whether it has any Fighter levels or equivalent combat training.

When Kettig hits a creature with a weapon attack, he can expend a superiority die to deal extra damage and force the target to make a Strength saving throw. On a failure, the target drops one held object.

When Kettig makes a weapon attack roll, he can expend a superiority die and add it to the roll, potentially turning a miss into a hit.

When a creature misses Kettig with a melee attack, he can use his reaction and expend a superiority die to make a melee weapon attack against that creature, adding the die to the damage roll.

When Kettig hits a creature with a weapon attack, he can expend a superiority die to deal extra damage and force a Strength saving throw. On a failure, the target is knocked Prone.

When Kettig makes a melee weapon attack, he can expend a superiority die to allow an ally who can see or hear him to use its reaction to make one weapon attack, adding the superiority die to the damage roll.

When Kettig makes a Dexterity, Intelligence, Wisdom, or Charisma check, he can expend a superiority die and add it to the check.

When Kettig rolls initiative, he can expend a superiority die and add the result to the roll.

When Kettig hits a creature with a weapon attack, he can expend a superiority die to deal extra damage and force a Wisdom saving throw. On a failure, the target is Frightened of Kettig until the end of his next turn.

Kettig adds his proficiency bonus to Strength and Constitution saving throws.

Kettig chooses the Defense Fighting Style, gaining a +1 bonus to Armor Class while wearing armor.

Kettig can use the mastery properties of weapons with which he has mastery. He has mastery with the greatsword, flail, javelin, and spear. Greatsword uses Graze, flail uses Sap, javelin uses Slow, and spear uses Sap.

Kettig can attack twice whenever he takes the Attack action on his turn.

When Kettig fails an ability check, he can expend a use of Second Wind to add 1d10 to the check, potentially turning failure into success.

Kettig can take one additional action on his turn. He can use this feature twice and regains one expended use after a short rest and all expended uses after a long rest.

Kettig can reroll a failed saving throw and must use the new roll. He can use this feature twice and regains one expended use after a short rest and all expended uses after a long rest.

Once per turn when Kettig misses with an attack roll against a creature, he can make another attack roll against the same creature with advantage.

Kettig gains four d8 superiority dice. He can expend one die to use a Battle Master maneuver, regaining all expended dice after a short or long rest. He knows eight maneuvers: Ambush, Commander's Strike, Disarming Attack, Menacing Attack, Precision Attack, Riposte, Trip Attack, and Tactical Assessment.

Kettig gains proficiency with smith's tools. If he already has this proficiency, he gains proficiency with another artisan's tool of his choice. He can use smith's tools to repair and maintain his own body and equipment.

Kettig gains the Alert Origin feat, the Tough feat, the Sentinel feat, and the Polearm Master feat. These feats represent his battle awareness, reinforced construction, defensive discipline, and training with reach weapons.

Kettig gains the Savage Attacker Origin feat from his Soldier background. Once per turn when he hits with a weapon attack, he can roll the weapon's damage dice twice and use either result.

Kettig can identify the insignia, rank structure, and general customs of military organizations. He can secure basic assistance from soldiers and recognize military installations, equipment, and procedures. This feature is represented by his Soldier background training and Origin feat, Savage Attacker.