If you want to enhance your Specialty Level, you must have a high enough Comprehension. If your Comprehension is too low, even using a Specialty Experience Book will have no Effect.
To get to where he is today, Old Hei has used over six thousand Specialty Experience Books.
Raising the Specialty Level requires accumulation, and the difficulty of leveling up increases as you progress, consuming more and more Experience Books, which is terrifying, so... Old Hei's financial situation has always been quite concerning.
When he reached Level 9, his Specialty Level finally reached Level 10. He no longer needed to keep spending money on Specialty Experience Books, but does this mean he could accumulate some wealth?
No, of course not!
