There is an urban legend about a secret dungeon in LINK VRAINS. It's packed full with dangerous traps. And what waits at the other end is...
I found a website about 
a Cyberse urban legend.
One-Way-Ticket in die Hölle
Das Mysterium der im Verlies
 schlummernden Cyberse-Karten
Encontré una página
de leyendas urbanas sobre el Cyberse.
Achei um site com uma lenda
urbana sobre o Ciberverso.