The Interstellar Ion Cannon is a space cannon developed by the Kingdom of Doom under the administration of King Zarkon. The cannon is capable of firing a shot that is multi-spatial, meaning that it can travel faster than light and destroy objects both in normal space and in hyperspace. The cannon was built and tested on Planet Maura. Due to a series of events, the cannon was used against Doom, and Zarkon lost control of the cannon. Short Run of the Centipede Express The cannon was later used to clear a path for Voltron during the invasion of Doom. Lotor the King