Plumb the Void
From Arkham Horror Wiki
Plumb the Void is a spell. It first appeared in the The Lurker at the Threshold expansion.
Card info
Casting Modifier: +0
Sanity Cost: 2
Casting phase: Movement
Effect: Cast and discard while in Arkham. Move one investigator in an Other World to any location with a Gate matching his Other World (he receives an explored token) or to your location.