Champion (15th level Fighter)

Special Equipment. The champion has a magical greatsword (+2) and wears a suit of magical plate armor (+2), included in it's statistics.

Remarkable Athlete. The champion can add half it's proficiency bonus rounded up (+2) to any Strength, Dexterity, or Constitution check it makes that doesn't already use it's proficiency bonus.

In addition, when it makes a running long jump, the champion can cover an additionnal 5 feet.

Indomitable (2/Long Rest). The champion can reroll a saving throw it fails. It must use the new roll.

Action Surge (1/Short or Long Rest). The champion can take one additional action on it's turn.

Superior Critical. The champion's weapon attacks score a critical hit on a roll of 18, 19, or 20.

Multiattack. The champion makes three attacks with its Greatsword or its Longbow.

Greatsword. Melee Weapon Attack: +11 to hit, reach 5 ft., 1 target. Hit: 14 (2d6 + 7) Slashing damage. If the weapon rolls a 1 or 2 on it's damage die, the champion can reroll the die, but must use the new roll, even if the new roll is a 1 or a 2.

Longbow. Ranged Weapon Attack: +5 to hit, range 150/600 ft., one target. Hit: 4 (1d8 + 1) Piercing damage.

Second Wind (1/Short or Long Rest). The champion regains 20 (1d10 + 15) hit points.