The moment they entered the volcanic crater, Du Fei and the others felt a wave of dizziness in their minds, immediately each of them quickly closed their eyes, waiting for this feeling to disappear before abruptly opening them again.

The first thing that came into view was a sea of lava. Above the lava, seven-colored bubbles kept emerging, adding a dreamy hue to the crimson magma. This dream-colored magma stretched out endlessly to the limits of their vision, as if they ...