“The Hero Factory Mega Prison is the newest and most advanced Hero Factory prison. It Is hidden... Hero Factory Mega Prison “The Hero Factory Prison Center, also known as H.F.P.C, is the largest Hero Factory jail in the... Hero Factory Prison Center Pages in category "Prisons" The following 2 pages are in this category, out of 2 total. H Hero Factory Mega PrisonHero Factory Prison Center Retrieved from "http://customherofactory.wikia.com/wiki/Category:Prisons"