C363 Cruel's Special Training

"Here, look at this!"

Mu Xiaobai took out a strand of Innate Essence Qi and waved it in front of Cruel.

Cruel could not help but be stunned as his eyes widened. "It's actually an Innate Essence Qi! There was actually such a heavenly treasure in Lost Continent? Thinking back to that year, in the ancient battlefield, there was once a Xiantian Spring