C999 The Reappearance of Civilization

There was nowhere else for them to go but into the tunnel, and as soon as they entered the tunnel the whole tunnel lit up, and the lamps lit a dark purple flame along the way.

These dark purple flames emitted waves of cold air. The flames did not make Qin Feng and the others feel any warmth at all. Instead, they felt even colder.

"This kind of flame is quite rare. If we can subdue it