 It is suggested that he is the one that gave the island's spirit avatar its limp.Jim Butcher later clarified that Harry's assumption was incorrect, and the limp was caused by the last ice age.In "Cold Days" it is revealed that the Rashid's title of Gatekeeper is due to his role as guardian of the Outer Gates, enormous crystalline-looking structures the size of apartment buildings that keep out hordes of Outsiders.