The Electromagnetic Shield, commonly called EM Shield, is an electromagnetic barrier created by generators deep within the Houses of the Sanctuary Network in order to protect the Sanctuaries against teleporters.
Teleportation from outside the boundary of this energy field to a destination anywhere within a Sanctuary would result in the unwanted teleporter's energy signature being rejected; they are rematerialized just outside the barrier and simultaneously thrown back from the shield, leaving them slightly disoriented. This was seen in the case of Druitt when he attempted it. Doing so from within the Sanctuary while the EM shield is up however, poses lethal danger as it incinerates the recipient at a molecular level. When a teleporter dematerializes, their energy signature is severely interfered, vaporizing them on the spot.
Background, Notes, and Trivia
- The system was installed by Dr. Helen Magnus primarily to protect the Sanctuary Network from John Druitt, but later proved vital in defending against the Cabal's super-soldiers; genetically modified humans who had acquired the ability to teleport from the transfer of copies of Ashley's inherited teleportation gene(s) onto their own chromosome(s).
- In the Old City Sanctuary, the EM Shield generator in the Lower Level Medical Science Research Lab located below the church Nave.
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