After Evil Spirit Knight learned of Bubble's situation, he told it, "Homesickness Syndrome is a mental illness caused by an inability to acclimate."
Different worlds had different laws.
In ordinary life, you could not feel them because you had already grown accustomed to the laws of your own world. To you, those laws were like air. Though you could not perceive them, they were everywhere, and their influence had long since seeped into your very lungs.
But when the people of the starry sky encountered the Starfall Tribulation, arrived in a new world, and became remnants of the starry sky, the rules of the world around them changed as well.
When you could not adapt to the laws of this new world, it was like being unable to breathe its air. Thus, Homesickness Syndrome—the "failure to acclimate"—appeared.
For the vast majority of starry-sky remnants, there were only two ways to resolve Homesickness Syndrome.
First, rely on powerful reserves of energy or a robust physique to actively adapt to the laws of the new world.
It was much like an ordinary human traveling to another world and being rejected by that world's will. But if a formal wizard traveled to another world, such rejection would not occur, because the all-round strength of your soul, body, and energy had already overcome the so-called "failure to acclimate."
However, the starry-sky people who encountered the Starfall Tribulation were selected entirely at random.
Ninety-nine percent of them lacked the foundation needed to adapt to the laws of a new world, which was why Homesickness Syndrome was so widespread.
Second, Starfall Descenders could cooperate with Star Spirit Sorcerers to resolve the problem of Homesickness Syndrome.
Do not be fooled by the fact that most Starfall Descenders were ordinary and possessed no great abilities. They had a