The Sleeping Guard

"They're getting closer."

The palace corridor was dimly lit and utterly silent. Only Benjamin, disguised as the king's personal guard, stood outside the king's bedchamber and spoke softly into the room.

"Th-then hurry and do something! Arrest them!" the king's voice came from within, sounding somewhat panicked.

Benjamin reassured him, "Your Majesty, don't worry. I won't let you fall into danger."

After that, he continued observing the movements of the two intruders together with the system.

The system had probably detected their presence from the moment the brother and sister cast their spell to control the guards. Once the system reported it, Benjamin immediately perked up. The enemy had arrived sooner than he had expected. He had thought this boring life as a guard would continue for another ten days or half a month.

And judging by the looks of it, these two had probably been hiding in Glory for quite some time.

Benjamin had already regretted accidentally killing Spencer. Now that two more people from the overseas sect had finally appeared, he naturally could not miss this chance to properly study how these people cast their spells.

"Have you recorded the patterns in the flow of their spiritual power?" he asked in his mind as he observed them.

"Very interesting," the system said to itself. "Their spiritual power does indeed imitate the elemental plane, but... they seem to have made some alterations as well. It's an extremely unusual frequency. Even I might fail to sense anything if I didn't inspect it carefully."

Benjamin stroked his chin thoughtfully.

A frequency...?

This was another fresh concept worth pondering deeply.

"How did they alter the frequency of their spiritual power?" he asked inwardly. "The spiritual power frequency of every living thing should be fixed... assuming spiritual power really has something like a