The revolutionary mechanism lacks two parts.

1. During the Great Revolution, this mission was to do the Paris mission, that is, the mission marked with an assassin. On Siti Island, there is an old lady. Her task is always to receive three or so consecutive tasks from her side, which will lead you to get two templars, and then you can open the door.

2.npc's name is Miss Reynolds (nicknamed the old lady), and she likes to use tarot cards for divination. She is always doing four things. You can browse after completing one, and refresh the next one immediately. The last task is to get the missing two parts, open the door of the secret room according to the task requirements, and complete the side task.