Boundless.

Summary

Deep underground, a molten lava river creates a furnace-like environment. Chu Yu and Little Yue stand 200 meters above, discussing the volatile Exotic Fire. Chu Yu descends to investigate and is attacked by a humanoid flame creature. Despite the intense heat and pain, he fights back with a bronze sword, which shatters upon impact. The flame creature mimics Chu Yu's techniques, showcasing its intelligence. Little Yue realizes the true flame they seek is a flickering one above the lava, not the humanoid. As Chu Yu struggles against the powerful creature, he decides to use the Crane Furnace from his Storage Ring to turn the tide of battle.

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