820 Too Cruel

Old Demon Nightmare's words gave Tang Wulin some insight. He faintly understood the specialty of this military training, but he still could not put it into words yet.

Tang Wulin passed the jar to Ye Xinglan beside him. "You guys can apply this first, I'll keep watch." Currently, the pain he felt was not as intense anymore. Tang Wulin propped himself up. This time, he dared not let his guard down. He took out his Golden Dragon Spear and surveyed his surroundings with alertness.

Cavern.

Old Demon Nightmare materialized out of the shadows. There was a huge crystal orb with a diameter of one meter within the cavern. Shadows flickered and danced within it. Was this not precisely the current conditions of Tang Wulin and his companions?