After Genshin Impact is updated, this problem often occurs. The solution to this problem is very simple. You can solve this problem by following these steps.
Hidden Map: Narcissus Cross Society
(1) At the end of the School of Natural Philosophy, read a book to enter the hidden map: Narcissus Cross Society.
(2) If you enter the Narcissus Cross Society for the first time, you will receive the achievement: "Encyclopedia of Natural Philosophy".
(3) There is a precious treasure chest and an exquisite treasure chest in the association. If you open it, you can get the mission props "Key to a certain place in the academy" and "Exhausted Snail Cup".
If you feel that the game guide for "Genshin Impact" Narcissus Cross Society is helpful to you, you can press the Ctrl+D shortcut key to bookmark this page or forward it to other game friends.