Throughout the history of the Imperium, psykers have played crucial roles in decisive battles, sometimes determining the fate of entire worlds with their powers.
The tragic confrontation between the Space Wolves and the Thousand Sons, where the psychic might of Magnus the Red and his legion faced the wrath of Leman Russ. The planet became a battleground of devastating psychic energies.
The ultimate psychic duel between the Emperor of Mankind and his fallen son Horus, aboard the Vengeful Spirit. This titanic clash of psychic power decided the fate of humanity itself.
When the Sisters of Silence and Custodes brought their anti-psychic abilities against the stronghold of the greatest psychic legion of Space Marines, resulting in catastrophic devastation.
Where Abaddon the Despoiler unleashed hordes of warp-tainted psykers against Imperial defenses, requiring heroic sacrifices from Imperial psykers to counter them.
| Event | Period | Significance |
|---|---|---|
| The Siege of Terra | Horus Heresy | The culmination of the Horus Heresy where the Emperor's psychic might was tested against the chaos-empowered traitors. |
| The Council of Nikaea | Great Crusade | The Emperor's ruling on the use of psychic powers among the Space Marine Legions, with far-reaching consequences. |
| The Battle of the Fang | M32 | The Thousand Sons' assault on the Space Wolves' fortress-monastery, featuring devastating psychic warfare. |