C279 The Shadow Pill

As Chu Feng placed the Evil Core into the furnace, he sensed a surge of formidable energy emanating from within. This was not the force of Shadow Power, but rather the inherent power of the Hellbeast's Evil Core.

Typically, when human alchemists refine a War Beast's inner core, some of its power inevitably escapes. Since the Barrier Breaking Pill requires the inner core of a War Beast