Fan Yu was a man of deep feelings.
He was a pure Soul Engineer, with his mind almost entirely devoted to Soul Tools. Otherwise, he could never have become an Eighth-Rank Soul Engineer.
This level might not have meant much in the Sun Moon Empire, but in the Douluo Three Kingdoms, it was an extraordinary achievement. After all, the highest accomplishment of Soul Engineers in the Douluo Three Kingdoms was merely becoming an Eighth-Rank Soul Engineer. Even Xian Lin'er and Qian Duoduo, both Titled Douluo, were only Eighth-Rank Soul Engineers.
But how old were those two?
Eighty or ninety!
What about Fan Yu?
Although the Original Work never explicitly stated his age, he was the same age as Zhou Yi and Mu Jin, or at least close to them. Zhou Yi expelling Mu Jin's younger brother also indirectly proved that they were not all that old—just past forty or fifty.
To become an Eighth-Rank Soul Engineer at that age in an environment like the Douluo Three Kingdoms, one could imagine how much time and effort he had devoted to Soul Tools. Since he had put so much thought into that, he had naturally been less thoroughly brainwashed by Shrek.
Conservation of mass and all that~
After Zhou Yi died, He Caitou was Fan Yu's only remaining family. Since He Caitou had been expelled from Shrek Academy, Fan Yu naturally had no reason to remain there.
As an Eighth-Rank Soul Engineer, the value he had created for Shrek Academy had long exceeded the Academy's investment in him. After leaving behind all his possessions, Fan Yu walked away with nothing.
Well, he was squeezed one last time before leaving. As expected of Shrek.
Although Fan Yu had voluntarily left that wealth behind, if he had not, it truly would not have been