"Hmm? What are those things approaching so quickly?" Carl's heart skipped a beat. Such a large number of unknown creatures suddenly appeared near the Sarasca defensive zone. It was very suspicious. Obviously, the soldiers standing guard in the dim light at the sentry station didn't spot those black shadows! Had it not been for his exceptional eyesight, Carl wouldn't have been able to see those approaching black shadows in the dim moonlight. He hurriedly drove his War Spirit power to his eyes to see the true appearance of those shadows. Silvery light flashed. He frowned and stared to the south of the sentry station. Soon, he could see everything in the dark clearly, as if his eyes were fitted with night vision devices. After he looked for two seconds, the look on his face changed abrupt