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A new Creative Development Q&A is out, answering some questions about psionics:

Question: The psionic level of Kerrigan is 12. Compared to Kerrigan, what level are other units that can use psionic energy, like the Ghost, High Templar, and Archon?

Answer: The psi index rating (PI) was developed by the Confederacy, so the only beings that have been reliably measured with it are Terrans. It goes from 0 to 10.

Between 0 and 2, there is no noticeable psionic ability. (I'm a 1, personally.) At 3 and above, a person is considered "sensitive" to telepathy but is not a telepath. (The wranglers for the Ghost program are usually around 3.5.) PI 5 is telepathic, which also happens (surprise, surprise) to be the minimum acceptable rating for Ghost training.

PI 8 is potentially telekinetic, although PI 8s have been known to exhibit other outstanding powers. PI 8 is very rare. Nova is a PI 10. The only other PI 10s on record are Sarco Angelini (superintendent at the Dominion Ghost Academy) and pre-infestation Sarah Kerrigan. There is no data on how Spectres rate while under the influence of Terrazine.

Terran equipment refers to the Queen of Blades as class 12 because it can't measure her PI rating at all. She exceeds the scale and is at least an order of magnitude above 10.


For the full Q&A, click here.

Battle.net - StarCraft II Creative Development Q&A: Part 13

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