C140 The Demon Sweeping Technique

Among the powerful individuals gathered, many were well-versed and quickly identified the ethereal sound as the legendary Demon Slayer Heavenly Voice.

"It's astonishing that the combined force of the nine Demonic Forbidden Stones could wield such might. It's no wonder they were confident in their ability to seal a devil at the Peak of Anity."

"The moment this sound is released