"Black Dragon, get ready for battle. We can't get out."

When Li Nan saw Captain Gong Jian, he was still a little excited.

When the two sides meet, he can safely hand over Professor Zhang Zhidong and four other hostages to Gong Jian.

Then go boldly to the so-called "room 1" and find the way to the deep-sea secret passage to save his Avril.

But it never occurred to me that the first thing Captain Gong Jian said was to be ready for battle.

OK.

It is not uncommon for us to face the enemy at any time and prepare for battle.

The key question is, what is "we can't...