"Beautiful, I'm counting on you. When I return, it will be time to put the Mortal Realm on its knees. Don't slack off."
Konrad chortled before turning into black fog and vanishing in the ground. Having left behind thousands of life fruits in Zamira and Astarte's hands, as well as instructions for Krann, he had no worries.
In that form, he went till he reached the Ancient Crystal World's inner core. There, he regained his true appearance and sat crossed-legged to pursue the final layer of his art and break through its final shackles.
If Death Conversion allowed Konrad to become one with Death, and thereby control all the mysteries it contained, it still wasn't the final level. The Fourth Layer of the Blossoming Death Art only gave one ability: to open the door to the Underworld to do with its souls as one saw fit.
However, achieving that level required one immutable step: Kill Death!