With so many areas in the sights of Walker and Midnight, it was hard to decide what they would travel and check out. Walker knew that if he went back to Gneiss he would be bogged down with important meetings and such. Therefore, he wanted to bring information back that could help those meetings.
Information about the scouted areas that he and Midnight would travel to could be invaluable to the planning of exploration expeditions. Especially if he managed to find more dungeons or even monsters that had returned to the world.
The fact that they were seeing more and more reminiscences of ancient monsters was becoming very hard to handle. Especially when some of them were not just ancient monsters that roamed the world.
Some had been like the eggs that they found within the ruins here and there. Dormant eggs that had been kept alive by rune formations that faded or went dormant because of a lack of manas. Therefore, these eggs had a chance to return.