World Eaters - Legion Fleet: During the Horus Heresy the World Eaters Legion fleet is known to have possessed the following vessels. Many of these warships were still present in the fleets of various World Eaters warbands ten standard millennia later.Conqueror (Gloriana-class Battleship) - The Conqueror was the flagship of the Primarch Angron and the XIIth Legion during the Great Crusade and the Horus Heresy.Justified Aggressor (Unknown Class Battleship)Merciless (Unknown Class Battleship) - The Merciless took part in the Battle of Isstvan III, during the onset of the Horus Heresy.Skullsail (Unknown Class, Battleship)Slaverer (Unknown Class, Battleship) -  The Slaverer took part in the 13th Black Crusade, and was part of the fleet of Abaddon the Despoiler that attacked the Forge World of Agripinaa. During that battle, it notably engaged the Imperial Navy's Retribution-class Battleship The Throne's Divine Demands, though the Slaverer 's final fate is unknown.Iaculum (Unknown Class, Battle Barge) - Horus Heresy era vessel. The Iaculum took part in the Battle of the Diavanos System. There the Iaculum met its end, after it was caught in the explosive destruction of its brethren warships, the Galerus and Clavam.Infestus (Unknown Class, Grand Cruiser) - The Infestus took part in the Battle of the Diavanos System during the Horus Heresy and was able to deliver the killing blows to two of the Ultramarines Legion's warships before it was destroyed.Bringer of Ruin (Capital Ship, Unknown Class) - The Bringer of Ruin took part in the Battle of the Diavanos System during the Horus Heresy. When the flagship Gladiator was left stricken by the Ultramarines' fire, the Bringer of Ruin took command of what remained of the World Eaters' fleet. However, it was to no avail and the fleet was completely destroyed by the Ultramarines.Dedicated Wrath (Capital Ship, Unknown Class) -  The Dedicated Wrath took part in the Drop Site Massacre, where it was commanded by Lieutenant Commander Nigh Vash Delerax.Gladiator (Capital Ship, Unknown Class) - 	The Gladiator was the flagship of the World Eaters' fleet elements in the Battle of the Diavanos System during the Horus Heresy. It was destroyed during the battle.Gatts' Charge (Capital Ship, Unknown Class) -  Gatt's Charge took part in the Battle of Istvaan III at the onset of the Horus Heresy.Industrious (Capital Ship, Unknown Class) - Present in the Istvaan System during the Drop Site Massacre.Justified Aggressor (Capital Ship, Unknown Class) - 	Present in the Isstvan System during the Drop Site Massacre.Aggression (Unknown Class, Cruiser) - Took part in the conflict that engulfed the Pyrus Reach Sector.Blood's Wake (Unknown Class, Cruiser)Clavam (Unknown Class, Cruiser) - Horus Heresy era vessel.  The Clavam took part in the Battle of the Diavanos System where it was destroyed in the explosion that also took its brethren the Iaculum and the Galerus.Galerus (Unknown Class, Cruiser) - The Galerus took part in the Battle of the Diavanos System where it was destroyed in the explosion that also took its brethren the Clavam' and the Iaculum.Jaws of the White Hound (Unknown Class, Cruiser) - Vessel of the Fifteen Fangs warband.Skulltaker (Unknown Class) - Flagship of Khârn the Betrayer and the Butcherhorde. It was sacrificed in a suicidal ramming attack to take out the Angels Eradicant vessels defending the Shrine World of Salandraxis.Blood Shrike (Strike Cruiser) - The Blood Shrike took part in the Battle of Istvaan III, during the onset of the Horus Heresy.Silent Fury (Strike Craft) - Horus Heresy vessel.Bellicose (Unknown Class, Escort) - Horus Heresy era vessel. The Bellicose took part in the Battle of the Diavanos System where it was destroyed in the explosion that also took its brethren the Galerus, Clavam and the Galerus.Bringer of Ruin (Unknown Class, Escort) - The Bringer of Ruin took part in the Battle of the Diavanos System during the Horus Heresy. When the World Eaters flagship Gladiator was left stricken by the Ultramarines' fire, the Bringer of Ruin took command of what remained of the World Eaters' fleet. However, it was to no avail and the fleet was completely destroyed by the Ultramarines.Bestiarius (Unknown Class, Frigate) - The bestiarius was among the World Eaters fleet that journeyed to take part in the Siege of Terra. By that time, the World Eaters flagship, the Conqueror, had fallen under the influence of Khorne and had become a hostile environment to those aboard it. This led to the rapid depletion of supplies and manpower -- chiefly due to the World Eaters losing themselves to mindless rages and then attacking anyone near them. In response to this, a group of World Eaters and crew members secretly met and, in order to save their lives, began plotting to escape the cursed flagship. Led by the Conqueror's own captain, the mortal Lotara Sarrin and the Destroyer Sergeant Skane, the group planned on using shuttles to escape to the Bestiarius the next time the World Eaters' fleet exited the Warp. However, when their plan was under way, Sarrin betrayed the group to their Legion, as she had never planned on abandoning her command post, and she then ordered the Conqueror to destroy the escapees' shuttles.Hound's Tooth (Unknown Class, Frigate) - Horus Heresy era vessel.Cardoc (Unknown Class, Transport Ship)Devourer of Stars (Space Hulk) - Used by the Daemon Primarch Angron as the primary means of conveyance for the Legion to Armageddon during the First War for Armageddon.Scion of Grief (Space Hulk) -  The Scion of Grief was a World Eaters space hulk that was boarded by an elite Kill-team of the Salamanders Chapter that attempted to destroy the vessel by overloading its Plasma Reactors.