The scarcest thing in the Black Prison World was light.
The most dangerous thing was also light.
Cold winds always swirled around the entrances to bottomless abysses; before magma capable of scorching everything erupted, the earth would crack and vent hot air; as for the prisoners who plundered one another's flesh and blood, a chance encounter in the darkness was both a danger and an opportunity.
Only light, when it blossomed in the darkness, brought the deepest death.
Of course, after the war between wizards and demons erupted, thunder raged beneath the night sky, that white rainbow streaked across the heavens, and the Black Prison Castle became a shining pearl, light no longer seemed to be the most dangerous thing in the Black Prison.
But the threat posed by light had not diminished simply because there was more of it.
On the contrary, the proliferation of light sources obscured the dangerous ones, making that threat even harder to pin down.
Perhaps because Zheng Qing and the others had spent most of their time in the Black Prison under some form of illumination, they had not fully understood its native dangers. Thus, when the group passed through a grove of dead trees and saw patches of moss glowing enchantingly beneath The Little Stars Shine, the young wizards' first reaction was delight rather than caution.
"There are actually plants in the Black Prison." Zheng Qing poked a patch of moss at the foot of a tree with the dead branch he was using to probe the way, his face full of wonder. "Snow lotuses grow atop high mountains, shore flowers grow at the bottom of abysses... desperate conditions always draw out life's most stubborn radiance. Even the Black Prison World is no exception."
Black Cat looked at the young scholarship student as