El Castillo del Terror (2018) (Spanish for "The Tower of Terror") is an upcoming a major professional wrestling event, the eleventh annual El Castillo del Terror event, scripted and produced by the International Wrestling Revolution Group (IWRG) that took place on November 1, 2018. IWRG has held their Castillo del Terror show since 2005, usually late in the year. As with the majority of the IWRG shows it will take place at Arena Naucalpan in Naucalpan, State of Mexico, the home of IWRG. The main event is the eponymous Castillo del Terror Steel cage match where the last person eliminated would be forced to unmasked per the Lucha de Apuestas, or "bet match", stipulation.