One year after taking down the Great Lord.
Gu Xi had long since returned to a normal routine.
After all, there was nothing he could personally intervene in within the Mirror Dungeon.
Whether it was clearing the area or constructing the Great Lord's half of the Mirror Dungeon, neither required Gu Xi to go over and meddle.
Gu Xi only needed to listen to the daily reports and keep track of the progress.
He spent the rest of his time studying at the academy.
And the place where Gu Xi spent the most time was, surprisingly, the Undead Civil Engineering Academy.
He was not spending his time there because of the Mud Head Truck, which had already been upgraded to version 3.0.
It could now be considered the Undead Civil Engineering Academy's flagship product, but that was not why Gu Xi had come.
The reason Gu Xi spent so much time there was entirely because the academy had a department that was close to being abolished.
The Yin House Feng Shui Department.
This Yin House Feng Shui Department had originally specialized in building yin houses according to the terrain, providing places for the undead to rest.
Naturally, that also counted as part of civil engineering.
At the same time, yin houses could expand incense offerings and enlarge yin-aligned spaces.
Under normal circumstances, this should have been considered a prominent discipline among Necromancers. Yet no one knew why the Yin House Feng Shui Department had failed to develop within the Undead Civil Engineering Academy.
The entire department recruited only a little over ten students each year, and its total student body had never exceeded three hundred.
However, the Yin House Feng Shui Department's research was not weak. Some of its researchers specialized in Yin Vein Feng Shui Treasure Lands.
Naturally, they