The Vanquisher Cannon is becoming increasingly rare in Imperial service due to the actions of the Ork Warlord Arrgard the Defiler, who scoured the Forge World of Tigrus in the 35th Millennium, destroying the Standard Template Construct (STC) designs for constructing the Vanquisher Cannon in the process. Since that loss, efforts have been made to reproduce more Vanquisher Cannons on other Forge Worlds, with only mixed success. The Forge Worlds of Trebor I, Gryphonne IV and Stygies VIII have enjoyed the most success, and are now capable of producing Vanquisher Cannons in limited quantities. Other Forge Worlds continue their efforts, though it is a slow and complex process. Of all the extant Imperial Forge Worlds, only Trebor I caters exclusively to the needs of Cadia. One of the most sought-