Big Boi

You have mastered tactical technique as well as unrivalled strength. As a duelist even the most brave warriors would fear a 1 on 1 fight.

Strong and smart

Starting at 3rd level you choose a focus for your attack, you can either add your intelligence to your attack rolls or your strength modifier to your damage. You can do this a number of times equal to your proficiency bonus.
Doubles at level 10
Triples at level 18

 

Undeniable power

Starting at 7th level, you can withstand even the steongest of attacks using pure force of will. Once per day when you take damage you can use your reaction to shrug it all off.

Additional Fighting Style

At 10th level, you can choose a second option from the Fighting Style class feature

Archery

You gain a +2 bonus to attack rolls you make with ranged weapons.

Defense

While you are wearing armor, you gain a +1 bonus to AC.

Dueling

When you are wielding a melee weapon in one hand and no other weapons, you gain a +2 bonus to damage rolls with that weapon.

Great Weapon Fighting

When you roll a 1 or 2 on a damage die for an attack you make with a melee weapon that you are wielding with two hands, you can reroll the die and must use the new roll, even if the new roll is a 1 or a 2. The weapon must have the two-handed or versatile property for you to gain this benefit.

Protection

When a creature you can see attacks a target other than you that is within 5 feet of you, you can use your reaction to impose disadvantage on the attack roll. You must be wielding a shield.

Two-Weapon Fighting

When you engage in two-weapon fighting, you can add your ability modifier to the damage of the second attack.

Unmatched Might

Starting at 15th level, You can carry any 2 handed weapon using one hand, if you use a versatile weapon with this feature use its 2 handed damage.

Proven in Battle

At 18th level,  if someone has seen you fight, you have advantage on intimidation checks and you can add your str and int modifiers onto intimidation checks.

Inspiring Technique

At 18th level, your allies gain a fraction of you skill and wit, You can use your reaction to add your attack damage to an attack an ally within 30ft has made.
You can do this a number of times equal to your proficiency bonus.