I like how they had a 2 person party of a Paladin and a Mage/Archer, and then go into the final boss battle as a team and as it turns out they also had a Rogue who snuck around their fight to stealth kill the boss and steal the loot.
@Paradoxicull I'd say something more akin to a stacked Fighter (Samurai or Battlemaster comes to mind when it comes to absolutely destroying an opponent in 1 on 1 combat). I don't know of any rogues who use bastard or hand-and-half swords, though I'm sure some people have made them. The guy doesn't seem like a sneak attacker, though.