One reason was to find materials for the Book of the Undead to elevate to a sixth-circle magical artifact.
The second reason was to capture a large batch of level 4 and above undead and cultivate them in the fairyland, thus possessing a considerable army of elite undead.
These guys might not be very useful in combat against experts, but for large-scale wizard warfare, they were absolutely the best cannon fodder.
After one battle, even if most were injured or killed, it didn't matter; he could just restock from Hell.
One of the essences of the School of Death was the "Undead Calamity" explosive soldier strategy.
Under the ancient banyan tree.
The fusion work of Mana and Martha had been going on for over a decade and seemed to be far from over.
The Heaven Crystal Dragon Ant quietly guarded one side, waiting for the next shedding.
Inside the Golden Light Cave.