https://www.gamespot.com/articles/destiny-2-curse-of-osiris-how-to-open-the-lighthou/1100-6455418/ >When you first enter the Lighthouse social space in Destiny 2's Curse of Osiris expansion, you'll notice a chest locked behind a gate just below the walkway on the left. However, it can only be opened by interacting with books you find in the room in a particular order within a specific time limit. To help you nab the chest of loot in the Lighthouse, we've detailed everything you need to do below. You can also watch the video above for further clarification on how to access it. >As you enter the room, run to the middle where Brother Vance is standing. Look to the desk on the left to find the first book. The next book is on a shelf at the eastern corner of the room (east in accordance to your orientation upon entering the room). You'll notice if from the distinctive glowing symbol that emanates from it.