Kuiru

In an early Stone Age setting, this character guides Hazuki and Lilith to a secluded cave-village where they encounter a terrifying monster emerging from a local shrine. She participates in a crucial sword fight against the beast, which is ultimately vanquished. Following this event, the character loses the ability to communicate with her companions, with speculation arising that magic may have been involved in facilitating their victory. This character plays a pivotal, albeit brief, role in an early adventure.