"The system has detected a strong flow of black mana; proceed to purify it," the system announced as Alaric and Dan arrived at the enclosed training room belonging to Alvin.
Alaric's body tensed up as he looked around in search of the source of the black mana. He noticed Alvin standing at a corner, guarding three people who had been chained using mana chains. Their eyes had turned dark, and the mana aura around them had completely blackened out. They were on the verge of being turned into a walking corpse.
Walking corpses are similar to zombies; these are those who have been exposed to a high amount of black mana and whose minds have been corrupted. Their natural instinct would be to corrupt other people around them to lessen the burden of black mana on them.
With a raised brow, he bega
