I can see the barrage from all over the world

Explain the copy:

The dungeon can be divided into two stages: before learning Barbaroose's name and after learning it.

Before learning Barbarossa's name, this copy was actually unsolvable, because one of the designers' intention was to have the tester die inside. But for other reasons, the tester cannot be directly eliminated.

Part of the reason it does this is something I hinted at earlier. An extraordinary person with excessive qualifications will become a sinner causing harm to one party in the future. Therefore, that person wanted to directly test this link in the first secret realm and get rid of them.

After learning about it: the copy changed, which can be understood as Barbarouse's part being liberated. She can interfere with the progress of this secret realm. That is to guide the testers. This gives the secret realm a certain possibility of clearance.

But since the subject of the task is actually hidden, the difficulty is still very high. For example, if the protagonist listened to the captain and killed Barbarose at that time. The mission will not be completed.

And this secret realm is very special. It is in a state of blending of "reality" and "secret realm". And it is indeed changed from a part of the real history of the film world. And what the protagonist did changed that period of history, so it also changed the future.

The diary is what Sachi recorded at that time, the history he saw.

The original history will be discussed later. What can be revealed is that the pirate group was almost completely wiped out at that time, and only one person escaped. The navy won a great victory, and the colonel became famous.

One of the designers of the secret realm, why he went to such great lengths is also a point that will be discussed later. And Sage’s identity.