บท 504: Chapter 504: Seven Holy Abyss?

But it wasn't until he inquired that he found out. The exchange rate for a Purple badge to a Black Level Badge was only one to one, and this was an official rule of the academy.

One to fifty. Yes, that was the ratio, one to fifty.

It took fifty Purple badges to exchange for one Black Level Badge.

Furthermore, there was a restriction, and an exchange required special approval from the academy. Normally, such exchanges were not permitted. Or more precisely, the academy would not facilitate them. They certainly wouldn't open the exchange to the external sector. Only those in the Inner Court could potentially apply for it.

Lan Xuanyu then understood just how precious the Black Level Badge his teacher had once given him really was.