I would have thought a monk and barbarian would be the easier of the classes to add. Monks in BG2 were super fun, just bolting around the maps exploding everything with a punch. POP, woosh, WHAM, whoosh, SLAP. I am the ChOsEn OnE! This before your caster casta single spell.

Ever since I watched Marco Polo I wanted to play Hundred Eyes in a BG game.