" Grendel left the Boneyard for the first time in a thousand years, and the world trembled at his coming. The ground rumbled and shook as he shouted ancient spells of steel and stone to strengthen him for battle as he raced ever faster toward the arena where his king had gone to battle all alone.
His massive legs pumped like pistons as they drove his feet against the street, and the people living along the road felt the cold fingers of fear tickle their spines and turn their bowels to water when they looked out to see what was making the noise. "

― Cedric Nye , Welcome to Grim Dudgeon (Dead Boy Book 1)