Aboard the Shadow of the Throne, within a palace of asymmetrical design.
Nimrod spoke with Magnus for three days and three nights, from their meeting on Prospero to opposing the League of Votann at the galactic core.
At last, they spoke of their contest during the Warp voyage to Ullanor after leaving Argos.
Illusory prayers rang by his ears, and Nimrod rose at once.
He gazed at Magnus, considering how to deal with the arrival of Magnus's shards.
Nimrod recalled that, in his memories, Lemuel Gaumon had fused with a shard of Magnus. Though it was later stripped from him, his Psionic Energy had greatly increased, and he had gained insight into vast psionic mysteries. In the end, he became one of the four founders of the Inquisition.
Almost all of the Imperium's understanding of Psionic Energy also came from him.
Aside from the knowledge held by secret organizations such as the "Grey Knights."
The one who completely fused with Magnus was Revuel Arvida of the Thousand Sons' Fourth Fellowship. He had followed Captain Menes Kalliston in battle with the Expeditionary Fleet.
After losing contact with the Legion, they immediately returned to Prospero and encountered the World Eaters.
Arvida became separated from the Legion and later encountered Jaghatai, who had come to Prospero in search of the truth.
He used Psionic Energy to help Jaghatai return to Terra, but after the Battle of Carium Gate, while guiding the White Scars toward Terra, he was ultimately overwhelmed by flesh mutation.
Near death, he was brought before Malcador.
Malcador bound Magnus's shining shard to Arvida, saving the last remaining Thousand Son within him.
The reborn Arvida became Janus, the first Supreme Grand Master of the "Grey Knights."
This is one method. Binding Magnus's shard to anyone—even myself—would greatly enhance Psionic Energy.
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