I'm not just human!

In the church's secret room, on a long lacquered wooden table, lay a top-secret file.
Name: Xia Fa
Type: Unknown existence, but identifies itself as human.
[Related Description 1]
I used to think I was physically weak and wanted to exercise, but during the exercise, I ended up absorbing the nutrients from an entire planet.
[Related Description 2]
When hungry, it will randomly teleport to any banquet venue in the universe and feast, which once frightened an angel-level powerhouse.
[Related Description 3]
Believing himself to be weak, he cultivated relentlessly, yet in reality, he was able to defeat demigods with his human body.
……
Turn to this page of the file, and you'll immediately see the marks that have been blacked out.
"On March 2nd, the nine great gods each issued a divine decree, ordering us to terminate our investigation of Xia Fa. This has never happened before."
"On March 6th, I was filled with resentment and unexpectedly discovered a lost piece of history, from which I glimpsed a trace of the truth about Xia Fa's identity."
"He is...he is...?!?"