Ever since Jack had become aware of the existence of the beasts, an insatiable desire to confront and conquer these otherworldly creatures had taken root within him. The prospect of obtaining their coveted beast crystals fueled a relentless urge that simmered beneath the surface. As the eerie sound persisted, trailing them like an ominous melody, Jack's certainty grew, and he braced himself for his inaugural encounter with a formidable beast.