At the lighthouse on Reverse Mountain, Crocus stands before the Straw Hats and declares, "I'VE SAID BEFORE THAT COMMON SENSE FAILS TO UPHOLD IN THIS OCEAN. THAT COMPASS ISN'T BROKEN." The group sits around a table as Crocus continues, "IN YOUR CASE, IT'S TIME FOR FEEDING. AH, TIME FOR FOODI" He adds, "HMM.. IT APPEARS YOU'VE COME HERE WITHOUT KNOWING ANYTHING. I'M QUITE AMAZED. DID YOU COME HERE TO JUST THROW YOUR LIVES AWAYI" A large compass rose labeled N, S, E, W dominates the next panel. Crocus explains, "DUE TO MANY ISLANDS HERE BEING RICH WITH VARIOUS MINERALS. YES... THERE EXISTS A GEOMAGNETIC ANOMALY ACROSS GRAND LINE," while Nami sweats and realizes, "THEN IS IT... THE MAGNETIC FIELD!I" Crocus warns, "IF YOU VENTURE OUT INTO THIS OCEAN WITHOUT KNOWING ANYTHING, YOU'LL DIE FOR SURE. NOT ONLY THAT, THE CURRENTS AND THE WINDS HERE ARE AS UNPREDICTABLE AS THEY CAN BE." Luffy, wearing his straw hat, listens as Crocus tells Nami, "AS A NAVIGATOR, YOU SHOULD WELL UNDERSTAND HOW TERRIFYING THAT CAN BE." Nami replies, "TRUE... WITHOUT A RELIABLE WAY TO TELL ONE'S DIRECTIONS, IT'S ALL HOPELESS."