Seek the Traveler

A caster must cast seek the traveler within one round of another's teleport spell and within 100 feet of the teleporter's last position. If the character meets these conditions, seek the traveler will do one of two things: reveal the teleporter's exact destination (in relation to the caster's current position) or instantly teleport the caster to that destination, regardless of distance. Note, however, that casters who choose the second option have no forewarning of where they are going. At the time of casting, a character must decide whether to merely seek the teleporter's destination—or to follow.