How to open the fifteen boxes of sumeru?

How to open the 15 treasure chest in Sumi;

Preparation materials: Xiaomi 8, miui 12. 10, Shen Yuan 3.0.

1. Open the game map. First, click Send to Erjing Store in Xumishan.

2. Then, play the song "The Road of Beasts" by Sumi Erjing Store.

3. Successfully playing the tune of Beast Road triggers the story of finding 15 treasure chest.

4. Next, the dialogue with Lanmi Li Na is the secret room on the left.

5. Finally, after completing the conversation with Ramina Li, you can get a reward by opening all the treasure boxes counterclockwise.