"The rain was relentless," Rumi began, her voice low as her friends leaned in. "The thunder shook the very ground, and the wind screamed through the trees. Suddenly, Gwi-ma materialized out of the dark, standing right in front of me. He looked me in the eye and whispered, 'There must always be a sacrifice to bring back the one you love. " Watch Kpop Demon Hunters before read this .