"I'm considering there's a fault in the translation these devices give us," Zechs said wryly, "because when I think 'cultivation', I'm imagining agricultural crops reaped and processed for consumption, not ... gathering magical energy to animate corpses."

Despite that, though, Zechs looked fascinated. "Resentful energy. So, the remorse and frustration of all those who have fought, and died, failing in battle."