A Better Champion Fighter

Level 3:

Improved Critical Hit: The number you need to roll a Critical Hit while attacking is reduced by 1. This effect can stack.

Improved Critical Damage: When you land a Critical Hit with a weapon attack, you deal an extra dice of weapon damage. This applies to ranged, thrown, and melee weapon attacks. This stacks with the improved critical damage gained at levels 7 and 10.

Fighting Style: Select one fighting style.

Level 7:

Improved Critical Hit: The number you need to roll a Critical Hit while attacking is reduced by 1. This effect can stack.

Improved Critical Damage: When you land a Critical Hit with a weapon attack, you deal an extra dice of weapon damage. This applies to ranged, thrown, and melee weapon attacks.

Remarkable Athlete Proficiency and Jump: Same as the base Champion Fighter.

First Strike: +5 Bonus to Initiative Rolls

Critical Momentum: When you land a critical hit, you gain momentum for 1 turn and enemies can't make attacks of opportunity against you.

Level 10:

Improved Critical Hit: The number you need to roll a Critical Hit while attacking is reduced by 1. This effect can stack.

Improved Critical Damage: When you land a Critical Hit with a weapon attack, you deal an extra dice of weapon damage. This applies to ranged, thrown, and melee weapon attacks.

Champion's Advantage: You can give yourself advantage on all weapon attack rolls until the end of your turn. Once you use this feature, you must take a short or long rest before it can be used again.

Crushing Critical: When you land a critical hit, your target is knocked prone for one turn.

Fighting Style: Select one fighting style.