I must admit that after the "septimus wave" (of Dufaux and Aubin) I was a little worried, but Sente and Julliard continued their momentum of the 'Oath of 5 Lords "and have yet explored the past of our hero . Here it is nothing less than the introduction to the "secret swordfish". Blake and Mortimer's how we learn reached their respective positions, how Olrik has become their nemesis, ... But we should not say too much ...