C235 Breakthrough 2 Stars of Honored Grade

After Gu Xuan arrived at Yang Yu's seclusion chamber, he immediately gathered his Training Array and sat down cross-legged. He took out the stone box from the Space Ring and took out a piece of Ice Crystal Cold Marrow.

"Hmm? I forgot this, although this ice crystal Cold Marrow's Elemental Energy of Heaven And Earth's quality is high, it is also a piece of jade. How do I consume it