During his reign, Lei Shen labored to build a mechanical servant that would defend his citadel without fear. When his first attempt failed, rage took hold of the Thunder King. He poured this negative emotion into his next, and most successful, creation: the Dark Animus. To this day, the ornate construct observes its duty, empowered by the mysterious substance at the heart of all mogu flesh-shaping experiments.
The anima appears to have disoriented Tugsworth.
