C778 Vibration of All Sides!
The Blood Bathing Token was a symbol that belonged solely to the Blood Bathinng Sect that one used their own blood to draw.
The first thing that could happen to every person who joined the Blood Bathinng Sect was to deeply carve this symbol into their blood. When they met with difficulties, they could use it, allowing the nearby Blood Bathinng Sect disciples to successfully sense and assist them