There was the Yang Fire, hot enough to burn Immortals, and also the Yin Fire, cold enough to freeze Immortals to death alive.
If one could successfully endure the Yin and Yang Fire Calamities, their mana would transform, achieving the realm of an Earth Immortal!
"Speaking of the Yellow Sand Realm, there have been rumors of immortals dying from extreme heat and cold... it might really be the place of the Yin and Yang Fire!"
After a pause, Su Xing muttered,
"However, to endure the Yin and Yang Fire, one needs enough comprehension of the Great Dao of Fire or the corresponding elixir to resist the burning flames..."
"This simulation may not allow a complete passage, but I can explore ahead of time to accumulate experience..."
Thinking this, Su Xing set his eyes on the simulation panel.
[Knowing the anomaly in the depths of the desert, you decided to explore it yourself.]
