Noah completed the improvements on Snore's body between his hunts and his experiments with the martial arts. The thought of focusing on recreating other elements had crossed his mind, but he eventually suppressed it.
He didn't know what triggered his ability to recreate elements. There wasn't any fixed pattern. It was a sensation that started from his instincts and dawned upon him once it could take the form of thoughts.
That field was too vague to explore when he had so many projects ready for him.
His stash of corpses returned to its previous state quickly since the domain of the Hive was incredibly large by then. The hybrids that failed to maintain their reason helped refill his space-ring too since the creation of living weapons was still on hold.