Just Returned: the Identity of the Immortal Emperor Was Exposed by His Apprentice

An Immortal Emperor, Mo Ce, who was given the nickname Void, did not go through all the hardships and did not pay anything. But I just returned to the world before time travel. He originally wanted to be a salty fish and live a quiet life, even though he was in a mental hospital. But unexpectedly, his apprentice followed him through time and gave him a backstab "My master is invincible in this world" "He can easily destroy the world" A few years later, spiritual energy revived, alien races invaded, and the human race was in danger of extinction. The Human King led countless generals to visit Mo Ce in the mental hospital. Only then did Mo Ce discover that my reputation had already spread here. But what surprised him even more was that the people in this mental hospital didn't seem to be simple. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.