New fighting styles for Fighters 5e

Arbalist (Fighter, Ranger)

You ignore the loading quality of crossbows.

Tunnel Fighter (Fighter, Paladin, Ranger)

As a bonus action, you can enter a defensive stance that lasts until the start of your next turn. While in your defensive stance, The area within your reach is difficult terrain for your enemies.

Throwning (Fighter, Paladin, Ranger)

You gain a +1 to attack and damage rolls when you use a thrown weapon.

Whip Fighting (Fighter, Ranger)

When you hit a creature with a whip during your turn, you may use a bonus action to make another attack with your whip against the same creature.