C389 Xanthan Crystal

"Crunch."

The seemingly heavy door was easily opened by Xiao Tian Feng as a dense amount of misty Spiritual Energy surged out.

Such pure spiritual energy! Xiao Tian Feng's eyes narrowed as he exclaimed.

Taking a deep breath, Xiao Tian Feng walked in.

The space behind the door was not big, as if it was a large house with a circumference of several dozen feet. But on the wall