Chapter 558: Undead Invasion

Heine quickly used the same method to acquire similar items from two other necromancers.

Task progress 3/6.

This meant that he had already mastered half of the array.

But unfortunately, even if the remaining three were to fumble around, their work had come to an end, and he had no more opportunities to continue learning by stealth.

However, his gains were already quite substantial.

He was not just collecting information; he was analyzing the principles and structure of the array in his mind, which was also why he kept getting faster at setting up arrays later on.

The technology of the Netherworld and Yuanling Technology were essentially the same, since they both utilized Yuanlings or Nether Spirits to achieve their purposes.

But the arrays in the Netherworld didn't need to consider the welfare of the Yuanlings at all, with no modules for supply, rotation, or repair in the array's structure.