He naturally knew that every species was different. In the Abyss, some monsters had great hearing and sensitivity. Some could smell prey thousands of metres away or hear their breathing. However, it was a bit unreasonable for Sinan to sense a heterogeneous invasion occurring all the way on the other side of the world from the Northern Base. There was no long-wave communication technology between the heterogeneous species.

The doctor didn’t reply to him. There was only an uneven breathing sound on the other side and An Zhe thought this person might be walking. Then after three minutes, the doctor didn’t reply but his breathing became more rapid. The sound was a bit unsettling in the darkness.

An Zhe asked, “Doctor?”

There was still no reply. An Zhe frowned. Then at this moment, he heard the doctor speaking really quickly. “Let Seraing answer the phone.”

An Zhe quickly walked out of the lounge. Seraing answered the communicator and soon frowned before hurriedly saying, “I’ll be right there.”

Then he grabbed his gun on the table, called a few people and strode out. An Zhe glanced in the direction Seraing headed to and chose to follow. However, these people were too fast. He climbed the stairs too slowly and was one step late.

By the time he came to the corridor where the doctor’s laboratory was located, he heard a gunshot in the depths and the sound of a body falling to the ground. The doctor was standing in the middle of the corridor and walked over to An Zhe.

“I… I saw him in the distance and he didn’t look quite right.” The doctor gasped, pupils slightly enlarged and his face pale with a frightened expression. An Zhe looked forward and saw Seraing putting away his gun. The man who had fallen to the ground was the doctor’s assistant. This person had worked with the doctor this afternoon to repeatedly check Sinan’s video.

Seraing told the doctor, “The infection is confirmed. Was it an experiment exposure?”

Infection? An Zhe immediately thought of the only source of infection in this place, Sinan.

“Impossible.” The doctor exclaimed. “He doesn’t have permission to open the glass cover and he can’t touch the heterogeneous species.”

Seraing told him, “I’ll go in and see.”

“No!” The doctor suddenly raised his voice. “Don’t go.”

Seraing stopped and stared at the doctor.

“Do you remember when I said that if one day, we are infected without having any contact with a heterogeneous species at all?” The doctor’s voice was trembling. “This is so abnormal that… we have to prepare for the worst.”

Seraing frowned, “What do you have to support your point of view?”