"We can start anytime,"
Heine replied, but then he asked a question that had been on his mind.
"What's with that plain outside... What's going on there?"
Lourdon showed an expression of "You've discovered it after all," and sighed helplessly.
"In fact, that is the real 'cause of the disease'...
"Although Milton can cleanse the will within the energy by using my body, we realized from the very beginning that these messy, chaotic wills would also affect me as they accumulated. They don't disappear over time, but become more chaotic.
"Therefore, as a lich, he took it upon himself to bear these increasingly corrupting pollutions. Though liches are inherently chaotic and fearless of these emotions, over time, the shadow power he controlled began to mutate, and those entangled with the Holy Light on the plains are his power.
"It's more like... the spread of pollution.