The Only Specimen of the Star Warrior

"Failed again..."

In the base on the third underground level of the Spirit Tomb.

Leon focused intently on the large screen hanging on the laboratory wall. Displayed on it was a fertilized egg that had just undergone testing, yet it showed no signs of vitality. It was clearly no longer viable.

Leon frowned deeply, lowering his gaze as his expression darkened.

"How many times has this been? Why does it keep failing?!"

After taking in over a hundred concubines, Leon restarted the Astartes creation project. Or rather, it was precisely to create these vanguards capable of surviving and fighting in the cruel universe that he had chosen to build a vast harem, sele...