There are still many Honkai Star Dome Railway friends who still don’t know the guide to opening the sealed door on the second floor of Honkai Star Dome Railway Liuyundu 2. Next is the guide for "Hengkai Star Dome Railway Liuyundu 2" collected and compiled by the editor of Sourcecode.com "List of Strategies for Opening the Sealed Door in the Building", players who have these questions, please take a look below, it may be able to help you.
1. The location of the sealed door on the second floor of Liuyundu is as shown in the figure. The door here needs to be taken up the path on the left, and you can go around to the door from above before you can open it from the other side.
2. The door on this path needs to be unlocked through the plot. You can just ignore it for early exploration.
3. After reaching a certain stage in the main storyline, you will pass by this place from Dan Heng's perspective, and then the door here will open automatically. After that, you can explore at will.
This concludes the guide to opening the sealed door on the 2nd floor of Liuyundu in "Collapse Star Railroad". I believe you can easily solve this problem as long as you follow the above steps. Then you can easily get started with this game and become an expert in this game. I wish you a happy game.