Board Thread:General Discussion/@comment-50.182.130.129-20160530135435/@comment-26854521-20160530143846

It hasn't been mentioned yet, and it potentially never will be. In the first place to get such a title/reputation one would have to be actually stuck on that level for quite some time. People who just fly through the floors are probably not gonna get that title (even though that was different for the E-rank Regulars, but well whatever serves to tell the story I guess).

We're still only at the 39th floor and while I'm not sure if it was mentioned until when someone is called a D-rank Regular, but it will at the very least be until the 43th floor, since it was said that the Hell Train is for D-class Regulars, so maybe you're a D-class until the 50th floor? Plenty of time and plot left for that, especially with the 43th floor coming up, even though that area is said to be extremely dangerous for Regulars, but not so much for someone very powerful I guess.