After completing the task and returning, he vowed not to emerge from seclusion for a hundred years.
Having hidden the monstrous descendants of the Luo Tian family and other powers in the Burying Demon Land, Su Yu was not worried about them being discovered because his dao body puppet was also watching over them.
To Su Yu, the eerie black mist in Burying Demon Land was actually a natural barrier.
Except for his mental power, anyone else entering would find their Divine Sense and perception suppressed. As long as no calamities occurred in Burying Demon Land, it would remain a 'treasured land.'
...
Nan Ji Immortal Territory.
When Su Yu met his master, Taoist Tianyu, and learned that Fairy Gu had given that premium Casting Spirit Pill to his own master, he was stunned for a long time.
That was a premium Casting Spirit Pill!
A pill that could defy the heavens and grant a person a 'pseudo' Spiritual Body constitution!