Planet Ark is one of the many dreaded planets which have portals to the Nightmare Dimension along with Planet Fear, Planet Dirt, The Doom Planet, and many others. It was inhabited by the Arkens. This planet is part of the Nebula Sector. This article is SMALL!. You can help Irken Empire Wiki by MAKING IT BIGGER!. Retrieved from "https://irkempire.fandom.com/wiki/Planet_Ark?oldid=38274" Categories: Article stubs Planets Locations Enemies Dangerous Nightmare Fanon Planets in the Nebula Sector Invader Vax Universe Non-Irken Species Outdated Fanon Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.