In the game, if you want to improve your character's combat effectiveness, you must know what is in the Zero Safe and what to do. Only by solving this problem can your character become stronger and fight enemies more easily. If you want to know the solution to this problem, then take a look at the guide brought to you by the editor of Source Code Network.
When we cross the main line, we can know that the things here are equivalent to devices that can freely enter and exit the cave .
In other words, it's the key, and the hackers who want to snatch the safe in the main line are not very capable.
And the plot where Fairy is activated here is recommended to be eaten with the officially released world view PV, otherwise it will be very confusing.
In fact, many experts speculate that time goes backwards because of the prototype of Phaethon's story and the information of the PV.