Chapitre 2168: Destination Found 

Upon his return to Dry City, Minos rested for only a week. During that time, he caught up on everything he had experienced on Elves Island, including what he had done before the start of the Continental Tournament.

During these days, he also returned to his Spatial Kingdom to check on his groups' progress and to help a number of individuals undergo qualitative evolution through immortal energy.

The empire's technological progress was very advanced, having improved dramatically since the addition of Voyager to its studies and experiments.

The Black Plain Empire was still far behind the Mechanic Empire in many respects. Still, Minos' group was gradually developing armor, weapons, and other artifacts similar to those of the aliens from The Adamant Land.