"We just got to the fourth layer on the enemy territory, and they are already showing a new type of monster under their control," Sigma thought while furrowing his eyebrows.
"Do you know how undead can be summoned?" Shyona asked while Sigma was looking at the monsters.
"I didn't think that you were an expert in Necromancy," Sigma said. "Tell me how."
"The caster uses the souls of those who had died with their hearts full of regret and uses those feelings to brainwash them," Shyona explained. "Even among the demigods, that kind of ability is rare… by the way, I am pretty sure that the one who is controlling them was also Feiria's master."
"I suppose she inherited those powers from them… if Kodro decided to help his allies like that, I take it that both of them sent their underlings to fight for the extra dark cube… he did that for his own amusement," Sigma added while furrowing his eyebrows.