Chaos was the leader of the opposite side, and he had a tendancy to summon either terrible people or estranged relatives. We had no choice but to kill most of his warriors before we fought him. ...Yet for all the trouble he caused us, I cannot help but pity him.

[That might have been a side effect of feeling all that despair, though.]

It certainly would, but at the same time I cannot imagine that they would not know the risks. Unless that information is hidden to convince the children, not the parents...