Like us on Facebook, follow us on Twitter! Celebrate another year with MH and read our yearbook.
Manga News: Check out this week's new manga (7/21/14 - 7/27/14).
Forum News: Visit new sections for Nisekoi and Kingdom!
To undertand that it's a very uncommon event, we can ook at Yuri reaction.
Yuri was aware of Baam entrance when he got in, it means that Headon isn't the only one to "be informed" of an irregular arrival.
I'm not sure, but I think that Yuri states herself that it's the first irregular since Mazino.
So if Headon was failing another irregulars, the rest(at least some high ups) of the tower would be aware of that;
The Master of the tower won't fail ^^ are there no spoilers or even a chapter this Week?