"The creature's raw speed was horribly unmatched; it struck faster than any viper, snapping up several of my allies. From it's nostrils blew a putrid, green cloud that killed an unfortunate man as he was caught in it; there was nothing left but tainted, rotting flesh. Before we could even begin to press an advantage, a wall of serpents flew toward our ankles and we found ourselves making a hasty retreat; several of us seemed to collapse and be overrun by snakes. It seemed that the primal fury of Yig could not be matched with steel nor magic. Indeed, I was shaking and pale after the monster's relentless assault."
Yig serves as one of the highest Outer Gods. It takes the form of a gigantic, winged, serpent-like being.