Coven of Isha
From Warhammer 40k - Lexicanum
The Coven of Isha is a pact between The Imperium and Eldrad Ulthran, of the Craftworld Ulthwe.
The Coven has rarely been activated, for the Eldar rarely require the help of the Imperium, and the Imperium never looks toward Xenos for help.
The most recent time that the Coven was activated was when Deathwatch marines from the Ordo Xenos had to retake an Eldar relic for Eldrad.
