Find on Île Saint-Louis, Nicolas Flamel's vial, hidden by the gentleman burglar, Arsène Lupin before fleeing and disappearing forever. Many legends surround the alchemist Nicolas Flamel. Has he discovered the secret of the philosopher's stone, has he been able to make an elixir of immortality? Île Saint-Louis, which you will sometimes explore frozen in time, also still holds many mysteries. You will be welcomed by one of our trainer investigators, who will give you your instructions in a sealed envelope. You will leave independently for about 2 hours, walking the streets and quays of the island in search of clues, indicating the place where the vial is hidden. You will then find your investigator trainer for the verdict of your find!