After defeating the ocean Honkai Beast, Xing received what seemed to be Jilin's cry for help in his dream. After waking up, he indeed sensed signs of Chiyou's awakening. Thus, under Xing's command, the Helios was heading toward the target location.
On the way, Kiana was thoroughly confused. "Didn't you say Chiyou's Honkai Energy readings were nearly nonexistent before? How did you find it?"
Xing pointed at the Honkai Energy detector installed on the ship. "Did you notice? The Honkai Energy concentration in this sea region is rapidly rising. We might have arrived just in time for Chiyou to wake up."
Kiana was delighted. "So we got lucky?"
"No, quite the opposite. Our luck is terrible." Xing flicked her ahoge. "Idiot, we're about to face a Judgment-class Honkai Beast that could wake up at any moment! Bronya, open the communications channel. I need to contact Principal Theresa."
(Have you noticed that Xing is becoming more and more like a leader?)
London—
Theresa was picking out souvenirs to bring back when her communicator rang. "Hello, this is Theresa."
Her son's voice came through again. "Principal, it's Xing."
"Oh, are you having fun in Shenzhou? The Crimson Kite Bird ecological reserve has already been completed. You can go see them after you return."
"Uh, Principal, I have good news and bad news. Which would you like to hear first?"
Theresa suddenly had a bad feeling. "The good news first."
"The good news is that we found the Judgment-class Honkai Beast Chiyou."
Theresa found that she was not surprised by this in the slightest. "Then what's the bad news?"
"The bad news is that its Honkai Energy readings are extremely active. It's probably about to wake up. I request the Hyperion be deployed, and if possible, it would be best if—" Before Xing