Mysteries of Goren

Information
While Keima and Gozou were waiting for the {Paradigm Shift} of the Cave of Greed in Volume 3, Gozou mentioned the 7 mysteries of the [Cave of Greed]. As of Volume 6, Gozou talks about 13 mysteries.

7 mysteries of the [Cave of Greed]

 * The evergrowing Inn of Keima - referring to 'Narikin'-made buildings
 * People are always talking about an adventurer who barely works staying at the inn night after night somehow - referring to Keima
 * The spots beloved by A-Rank adventurers - referring to Haku and Chloe
 * The mysterious blonde loli - referring to Rokuko's DP-saving form
 * The impossibly cozy onsen
 * The legendary S-Rank meal
 * Ever-working golems