Ray was resting with his eyes closed.

He had barely slept a few hours the night before. Even though his body was far stronger than that of an ordinary person, he still couldn't afford to overdraw himself too much.

From time to time, he released a pulse of spatial perception. Sending one out every thirty seconds kept his consumption and recovery in perfect balance, so his ability remained at full capacity.

Drones!

His expression sharpened. Two drones had entered the range of his spatial perce