However, before they could figure out what to do, the black wave began to riot again. Invisible black material covered the entire cave. If they had not reacted in time and reinforced the defensive barrier again, the defensive barrier would have broken, and the consequences would be immeasurable.
However, this was only the beginning. The temperature in the air became lower and lower, so much so that a layer of faint ice crystals had formed between their brows. Even their movements became slower.
A flame ignited on Yan Hua's fingertip. This flame seemed small, but in fact, it was extremely scorching. It was like a small sun, temporarily dispelling the cold and forcing the surrounding temperature to rise by a few degrees.
Only the two of them with deep cultivation could resist the cold here. If it were anyone else, they would have already become ice crystals.
"Let me see what's going on down here."