C1263 Three Knocks on the Door.

Chiang Le sat on the bed and slowly closed his eyes to relieve the fatigue of the day.

After all, there would be a fierce battle soon.

Then, he used extremely small amounts of Spirit Power to set up a Barrier in his room. This Barrier could isolate the entire room from the surrounding area.

No matter what sounds or movements he made, no one outside would be able to detect it