Black Hole.
The most mysterious celestial object in the entire universe, without exception.
It is intangible and formless; apart from gravity, it cannot be observed in any other way.
Even Xue An, during his interstellar travels, keeps a respectful distance from such celestial objects.
After all, that troublesome gravitational pull would make anyone scratch their head.
Fortunately, they generally only appear at the cores of galaxy clusters, and it must be a large galaxy cluster, so even in this vast universe, their number is limited.
At this moment, Xue An's destination is the most central location of the entire Multiverse.
Here, the largest and most magnificent superclusters of the universe are distributed. At the core of the galaxy cluster is a massive black hole, with a mass reaching 400 billion M, equivalent to the mass of 400 billion suns.
Even someone as powerful as Xue An must treat such a gigantic black hole with caution.
