Diabolical Structure (2013) is a INTERNET professional wrestling pay-per-view event, produced every February by WIW, a INTERNET professional wrestling promotion based in Montana. The event was created in 2009, with the event being called Chamber of Hell in 2012 the event was renamed Diabolical Structure, replacing No Escape. Diabolical Structure is a pay-per-view (PPV) event consisting of a main event and undercard that features championship matches and other various matches. The concept of the show is that the two main event matches (usually one from the Dynasty brand and one from the Turbo brand) are contested inside the Elimination Chamber; one of these matches typically features the WIW Championship being defended, while the other is usually contested for the World Heavyweight Champion