It's like a second personality that he split from.
Perhaps some kind of power in the dark space-time utilized Su Yu's [Legend] to create another Planet Governor Su Yu, attempting to erode and control him.
This level of spiritual erosion is extremely high. Even though Su Yu is of the fourth rank and protected by the Power of Sunshine, he was silently eroded.
If Su Yu had stayed in that dark space-time for a few more years, this erosion might have been completed. Fortunately, he escaped quickly.
This personality is very secretive. If Su Yu hadn't traversed the space-time to enter the thought world, it would have been truly difficult to discover it.
Thinking of this, Su Yu felt grateful in his heart.
If he returned carrying that shadowy Su Yu, without knowing anything, he might be replaced at some point and become another person.
From this perspective, that strange thought space wasn't a bad thing but a good one instead!
