Multi-layered Spirit World concept!
In the Transcendent world, this has become deep-seated common knowledge.
However, Su Lu discovered that this Mr. Kira Gales had done some thorough research on it, proving himself as a true Transcendent of the [Spirit Medium] system!
"According to his description, the higher the level of the Spirit World, the more incomprehensible and indescribable it becomes... The first level of Spirit World needs to be rooted in reality and is similar to reality, while the second level of Spirit World connects to everyone's mind! This is simply unthinkable!"
However, experience tells Su Lu that this is true, such as the Cursed Spirit, which must have come from a higher level of the Spirit World to harm people from their memories.
"Even... in the higher tiers of the Spirit World, all rules and appearances... will become difficult to comprehend!"