Knowledge Base

Warhammer 40,000 is defined by massive galaxy-spanning conflicts. This section covers the most important battles in the setting, including the Siege of Terra, the Fall of Cadia, and the wars fought between the Imperium, Chaos, and alien civilizations.

Chaos represents the corrupting power of the Warp and the influence of the Chaos Gods: Khorne, Nurgle, Tzeentch, and Slaanesh. This section explains Chaos Space Marines, Daemon Princes, Warp corruption, and the major figures and forces that serve Chaos.

The Warhammer 40,000 universe contains many powerful factions competing for control of the galaxy. These include Space Marine Chapters, Chaos Legions, Imperial organizations, and alien empires such as the Tyranids and Necrons.

The Horus Heresy was a galaxy-wide civil war that nearly destroyed the Imperium of Man. Led by the Warmaster Horus, half of the Space Marine Legions rebelled against the Emperor. This section explains the events, battles, betrayals, and consequences of the Horus Heresy.

The Imperium of Man is the vast human empire that dominates the galaxy in Warhammer 40,000. Ruled in the name of the Emperor of Mankind, it includes countless worlds, armies, and organizations such as the Adeptus Mechanicus, Inquisition, and Astra Militarum.

The Primarchs are the twenty superhuman sons of the Emperor of Mankind and the genetic fathers of the Space Marine Legions. This section explains who the Primarchs are, what happened to each of them, and their role in major Warhammer 40,000 events such as the Horus Heresy and the Siege of Terra.

Space Marines are genetically engineered super-soldiers created by the Emperor of Mankind. Organized into Chapters, they are the Imperium’s most elite warriors. This section explains how Space Marines are created, their equipment, ranks, and their role in the galaxy.

Technology in Warhammer 40,000 is ancient, mysterious, and often poorly understood. The Imperium relies on relic technologies such as the Standard Template Construct system, machine spirits, and powerful weapons like bolters, power armor, and Titans.

The Warhammer 40,000 timeline spans tens of thousands of years, from the Dark Age of Technology to the current Era Indomitus. This section explains the major historical eras, events, and turning points in the history of the galaxy.

Xenos is the Imperial term for alien species. Warhammer 40,000 contains many powerful alien civilizations such as the Tyranids, Necrons, Eldar, Orks, and Tau. This section explains the origins, goals, and threats posed by these non-human factions.