>>43272210If you'd have included BECMI I'd have said that, since Weapon Mastery turns them into living indestructible blenders, but since you didn't I'll have to say 4E.
4E Fighters are REALLY good. Try to run away from them and you get smacked down into the ground. Try to carefully disengage and you still get hit. Try to hit someone other than the Fighter and fuck you, don't take your eyes off of the Fighter, get hit.
The 4E Fighter makes enemies have to choose between getting punched in the face or try to run away and get kicked in the back of the head instead. It's great.