Teleportation is the magical displacement of beings or objects from one place to another. Sometimes this is achieved with a magic spell, but other times facilitating objects are used. Portals are an example of teleporation devices or passages. an example is the portal connecting the two towers of Tor Lara and Tor Zireael.
Triss uses teleportation a few times in the course of the game.
Teleportation is a spell which can be used by the player to travel up to 5 km, but it does come at a dangerous cost.