I'm not sure I believe around volume 20 or so. Don't quote me on that though.
Lafaye is the brains behind the Hermes guild. Bard needs to kill him because his black knight master quest makes him choose between becoming a dictator or benevolent President.he tries the choose president but his infamy is so damn high that it's impossible so he is forced to choose dictator. As a dictator he cannot have any competition for power so Lafaye must die.
Akryong is forgotten.
His level is roughly 425