Fighter is a preset class in Divinity: Original Sin II.
"Brutal Warrior and expert in close combat."
Opportunist: Gives you the ability to perform attacks of opportunity
Battle Stomp: Deal Physical damage and Knockdown enemies in front of you
Bouncing Shield: Throw your shield, dealing Physical damage to the target and others around it
Fortify: Provide Physical Armour to a targeted character
Battering Ram: Rush forward, dealing Physical damage while knocking down foes
Mend Metal: Nearby allies slowly regenerate Physical Armour
Provoke: Taunt nearby enemies, causing them to target you
Reactive Armour: Deal Physical damage to all characters around you