Tomb Robbery: I, Zhang Qiling's Brother, Dominate the Nine Gates.

Summary

In an underground river, three characters encounter eerie sounds and strange creatures resembling dolphins, which are likely predators causing fish to flee. Despite their initial fear, they realize these creatures are not dolphins but a unique species. As they navigate the river, they struggle to paddle with makeshift paddles made from biscuit bags, exhausting themselves. Conversations reveal their backgrounds and the challenges of learning martial arts, hinting at a mentor named Hei Yan Jing. After a brief rest, they resume paddling, only to discover the water has turned red with blood, indicating a possible battlefield nearby.

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