"Only two more opportunities to leave remain."
Wei Cheng stood in the empty and now dark Baihe Fairyland, feeling somewhat emotional without a trace of happiness or triumph.
In fact, he was rather anxious.
His act of exterminating the Sky Demon Tribe this time would inevitably result in an exceptionally powerful new generation of Sky Demons.
And he was powerless to do anything about it.
Even though he knew what was going on.
At this moment, as the fourth ecological adjustment of the Immortal World took place, the second type of symbiotic material that benefitted the Sky Demon Tribe was being produced; it would directly affect the newly born Sky Demons.
To refine and decompose this second type of symbiotic material, Wei Cheng would need at least a million years.
Maybe several million years or even tens of millions of years with a bit of bad luck.
In comparison, the tortoise and hare race wasn't this exaggerated.