Human howling echoed through the underground remains every now and then. It was the desperate cry when one's life was drawn out of his body as beetle poison set in.
Even the Class C Practitioners' armor was not always foolproof. Sooner or later, their protection would be compromised as their mana ran out over time.
Thus, occasionally Class B experts of various big organizations had no alternative but to shield their members from life-threatening dangers.
They were not cold-blooded reptiles either. Besides, who would still follow them if all their men died during the first remains expedition?
People were not stupid. Understandably they were more willing to obey leaders who took their safety into consideration. Otherwise, what was the point of following them?