5 Superiority Dice (d8)

Action Surge (1/Short or Long Rest). The fighter takes one additional action.

Disarming Attack. When you hit a creature with a weapon attack, you can expend one superiority die to attempt to disarm the target, forcing it to drop one item of your choice that it's holding. You add the superiority die to the attack's damage roll, and the target must make a Strength saving throw. On a failed save, it drops the object you choose. The object lands at its feet.

Feinting Attack. You can expend one superiority die and use a bonus action on your turn to feint, choosing one creature within 5 feet of you as your target. You have advantage on your next attack roll against that creature this turn. If that attack hits, add the superiority die to the attack's damage roll.

Evasive Footwork. When you move, you can expend one superiority die, rolling the die and adding the number rolled to your AC until you stop moving.

5 Superiority Dice ([d8])

Action Surge (1/Short or Long Rest). The fighter takes one additional action.

Maneuvers.
Disarming Attack. When you hit a creature with a weapon attack, you can expend one superiority die to attempt to disarm the target, forcing it to drop one item of your choice that it's holding. You add the superiority die to the attack's damage roll, and the target must make a Strength saving throw. On a failed save, it drops the object you choose. The object lands at its feet.

Feinting Attack. You can expend one superiority die and use a bonus action on your turn to feint, choosing one creature within 5 feet of you as your target. You have advantage on your next attack roll against that creature this turn. If that attack hits, add the superiority die to the attack's damage roll.

Evasive Footwork. When you move, you can expend one superiority die, rolling the die and adding the number rolled to your AC until you stop moving.

Actions

Extra Attack. The Merc makes two melee attacks with its longsword.

Longsword. Melee Weapon Attack:+7 to hit, reach 5ft., 1 target. Hit: 8(1d8+4) piercing damage

Second Wind (1/Short or Long Rest). The fighter regains 1d10+9 hit points.

Extra Attack. The Merc makes two melee attacks with its longsword.

Longsword. Melee Weapon Attack:+7 to hit, reach 5ft., 1 target. Hit: 8([1d8+4]) piercing damage

Bonus Actions
Second Wind (1/Short or Long Rest). The fighter regains [1d10+9] hit points.

Reactions
Riposte(2/Short or Long Rest). When a creature misses the fighter with a melee attack, the fighter can use their reaction to make a melee weapon attack against the creature. On hit, add [1d8] to the damage rolled.