This Formation was set up by Chen Fan specifically to stabilize the temperature inside the wine cellar, preventing it from becoming too high or too low.
Such a practice was very common in the immortal cultivation world. Although cultivators were impervious to summer heat and winter cold, certain special items required specific methods to preserve them properly.
Chen Yangze looked toward the entrance in the very center. By the light of the Formation, he could see neat stone steps winding downward, and faintly caught the sounds drifting up from within.
Chapter 124