Meanwhile, Rozi was battling the monsters on top of the train.

Fortunately, Adrian found spare fuel on the train. Relying on his experiences, Adrian did a series of checks to make sure all of the train was undamaged.

The train soon roared to life and began jerking while spewing out white steam. Adrian smiled and called out, "It's operational. I need you to tell Rozi to open the gate after the third honk. We'll then rush out of here."

To reduce the train's load, Adrian uncoupled several carriages while Nadine passed on the message to Rozi. When he heard Rozi's response, Adrian took a deep breath and got ready to instruct Rozi to open the gate.

However, a series of rhythmic metal sounds came from inside the tunnel. It sounded like an S.O.S. message. Adrian did not pay much attention to it initially, but the sound grew louder and louder.

"It's a distress signal."

Nadine and Marissa exchanged glances as he continued, "There are survivors here. You two, stay here and don't move. I'm