Since even the man—a Green Soul Scout—confirmed Felix's thoughts, this was most likely the latest experiment. Despite using his domain, he couldn't sense the Malevolent Phantom in the man. This could only mean one thing—the range of control over these things had exceeded his domain.

"The soul ties on you. Hall of Souls can always track where you are, right?"

"Yes."

With that answer, Felix finally understood how Hall of Souls found him. However, the only thing he couldn't figure out was why they were using experiments against him, knowing that it was useless.

"Alright. Let's get back to the Black Soul Scout you mentioned."

…

More than ten minutes later, Xena and Hector arrived with a group of people. Felix handed the Green Soul Scout over to them and pointed at the headless corpse.

"That should be the latest experiment developed by Hall of Souls. We seem to have quite some trouble on our hands."

After listening to his explanation, the two of them frowned.

"I didn't expect Ha