The Tunnel's secret

As multiple needles shot out of the small holes in the wall, the guard closed his eyes as he braced himself.

He knew that his life would soon come to an end.

A few seconds passed but he felt nothing. He heard the voice of his comrade, saying, "Open your eyes now."

The guard blinked open his eyes. No needles had punctured his skin, he noted. When he turned around, he noticed a strew of needles on the ground at his side.

"Let's continue moving. But be more careful. There will be even deadlier traps ahead." Shun spoke with an indifferent voice.

After walking for some time, they finally saw the end of this red path. Shun's subordinates let out a breath of relief.

But Shun looked slightly tense.