"You might still be wondering why the S-tier Malevolent Phantoms don't kill martial artists who practice soul mastery—it's because they're too weak. Their soul essence isn't just small in quality but poor in quality," Billy explained.

"Even if they were all killed, it would be impossible to overflow the Mystical Explosive Orb. Compared to that, harvesting soul essence from the Malevolent Phantoms—who are born from pure soul essence—would be much faster."

So that was it! Felix suddenly recalled