Parasite

His human flock had run wild for over a thousand years, their numbers increasing with each generation. Their racial memory, their true purpose, only seeped out through the dreams of the few. Deep beneath the earth, his stirring body, slowly woke, he craved sustenance. His thoughts focussed on just one goal, to quench his deep yearning for the sweet taste of hot human blood. The time of the next cull had finally arrived.