We will encounter many problems in the game about how to obtain the mysterious key of the Heart Abyss Dream mobile game. Many users have a headache when encountering this problem. After reading the solution to this problem written by the editor of Source Code.com, you will find this problem. So simple.
How to get the mysterious key of Heart Abyss Dream mobile game
1. You need to complete the collection tasks of eight dragon language runes first, and then go to the Serenity Water Vein.
2. After arriving at the Serenity Water Vein , please look for the location shown in the picture below. There is a fairy there.
3. Talk to the fairy named Sese to get the mysterious key.
How to use :
After finding the mysterious treasure, just click to use it in the backpack to trigger the game's easter eggs, endings and achievements.