Lady Yvonn had always been the person Guilliman cherished most in his heart, without exception.
Even his love for Ultramar's Five Hundred Worlds or his loyalty to the Emperor could be utterly defeated by a single look or tone from his mother.
If Curze had truly captured Lady Yvonn while wreaking havoc on Macragge and used her as a hostage to demand Guilliman's unconditional surrender, then the King of Macragge would not have hesitated in the slightest.
Likewise, if those traitor primarchs who had fled into the Eye of Terror truly had the means to capture Lady Yvonn and promised Guilliman that joining the Chaos Gods would bring his mother back, Guilliman might very well... have accepted.
To Guilliman, Lady Yvonn was no longer merely his foster mother or his most trusted assistant. She was part of the foundation of his humanity and the core of his soul.
Of course, if such a situation truly arose, Lady Yvonn would certainly kill herself decisively before Guilliman could make such a foolish choice, severing the root cause of his fall.
Many people praised Lady Yvonn for her good fortune in having a perfect son like Guilliman, one whose abilities were beyond exceptional.
But Guilliman was the truly fortunate one. King Konor and Lady Yvonn had made him the happiest child among all the primarchs.
The deep sentimentality in Guilliman's nature had always kept him from facing the reality that Lady Yvonn would one day grow old. It was as though, so long as he refused to think about it, time's carving knife would never fall upon his mother.
Now that he knew Lox had a way to further extend Lady Yvonn's life, even transform her into an artificial Perpetual who could remain by his side forever, Guilliman's joy was beyond words.
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