The Undead Are the First Productive Force, Why Don't You Get It?

The lich instructor lowered his head. His glowing crystal skull looked expectantly at his three disciples. "Tell me, what are the undead?"

The first disciple replied, "The undead are torment torn open, the power of revenge."

The second disciple replied, "A brand-new beginning, beauty, art."

The third disciple said firmly, "The undead are the primary productive force."

"...You may leave."