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The Psi Index is a system used by the Terran Confederacy and later the Terran Dominion to measure the psionic ability of terrans,[1] a PA Profile having to be established within nine months of birth for all children born within the territory of the former.[2] Under the Dominion, the same system was also used to measure the psionic ability of gestalts-protoss/terran hybrid soldiers.[3]

People with low levels of psychic power can often detect its use,[1][4] and some can even resist telepathy.[4] A PI rating of 4.5 is too low to reliably project thoughts, and a person with that low a rating is not referred to as a "teep".[5]

The PI score was completely readjusted after Sarah Kerrigan was brought to the new Ghost Program, as she had reached unheard-of levels, forcing this change.[6]

Scale

PI Description
1-2 No psychic powers. Most humans.
2-5 Limited powers. Wranglers.
5-8 Telepathy. "Teeps". Most ghosts fall between 5 and 6.
8-10 May have telekinesis. "Teeks". Extremely rare.[1]

Known Ratings

Notes

An adjutant rated Infested Kerrigan as a "class 12 psi signature".[9][10] A gameplay trailer for Heart of the Swarm listed her as a "class 11 psionic."[11] After being reborn in primal form, an adjutant rated her power as "the highest psi ever recorded" considering it unclassifiable. [12]

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 DeCandido, Keith R. A. (November 28, 2006). StarCraft: Ghost: Nova. Simon & Schuster (Pocket Star). ISBN 978-0743-47134-3.
  2. Battle.net, Ghost. StarCraft Compendium. Accessed on 2009-07-11
  3. 3.0 3.1 Elder, Josh (w), Ramanda Kamarga (p), Angie Nathalia (i), Junadi (i). "Do No Harm." In StarCraft: Frontline: Volume 3 (paperback binding), pp. 48-89. Tokyopop, July 14, 2009. ISBN 978-1427-80832-5.
  4. 4.0 4.1 Furman, Simon (w), Federico Dallocchio et al. (p, i). "StarCraft #4" StarCraft 1 (4) (September 16, 2009) DC Comics (Wildstorm).
  5. 5.0 5.1 5.2 5.3 DeCandido, Keith R. A. (w), Fernando Heinz Furukawa (p, i). StarCraft: Ghost Academy: Volume 1 (paperback binding). Tokyopop, January 1, 2010. ISBN 978-1427-81612-2.
  6. Blizzard Entertainment. 2010-07-24. Cast of Characters: Kerrigan. Blizzard Entertainment. Accessed 2010-07-24.
  7. 7.0 7.1 Blizzard Entertainment. 2013-01-22. StarCraft II Creative Development Q&A - Part 13. Blizzard Entertainment. Accessed 2013-01-22.
  8. 8.0 8.1 Kenyon, Nate. (September 27, 2011). StarCraft: Ghost: Spectres. Simon & Schuster (Pocket Star). ISBN 978-1439-10938-0.
  9. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, The Moebius Factor (in English). 2010-07-27.
  10. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, All In (in English). 2010-07-27.
  11. SCLegacy. 2011-05-30. 2011 Heart of the Swarm Gameplay Trailer . Youtube. Accessed 2011-08-17.
  12. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, With Friends Like These... (in English). 2013-03-12.
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