PSI: Difference between revisions

PSI was originally the provenance of [[Giygas]]'s race. When [[George]] and [[Maria]] were abducted by these aliens in the early 1900s, George studied the powers and eventually passed down his research notes to [[Ninten]], his great-grandson. Many humans with no connection to the aliens or to George's family line are also shown to be able to use PSI, such as [[Ana]], [[Ness]], [[Paula]], [[Poo]], [[Lucas]], [[Claus]], [[Kumatora]] and [[Garrickson baby|the Garrickson baby]].

PSI moves become stronger as the user levels up, with the level of strength denoted by the Greek letters α (alpha), β (beta), γ (gamma), π (pi), Σ (sigma) and Ω (omega), in ascending order of potency. The π power level only appears in ''{{vg|Mother}}'', while the Σ power level is not used outside of ''[[Earthbound]].'' PSI can be is compartmentalized into four different categories:  

*'''Assist PSI''': for PSI moves that alter parameters of allies or foes, inflict status effects, or shields.  

*'''Offense PSI''': for PSI moves that inflict damage. All PSI moves in this category bear the prefix ''"PK"'', except in ''[[Earthbound]],'' which uses ''"PSI"'' as the prefix instead.

*'''Recover PSI''': for PSI moves that replenish HP, PP, or remove status effects.

*'''Other PSI''': for PSI moves designed to be used on the overworld map, such as [[Teleport]]. No PSI of this category exist in ''[[Mother 3]].''

PSI costs PP to use, which can be recovered by eating certain foods or resting at a hotel. When a character [[Status ailment#Can't concentrate|can't concentrate]] or is [[Status ailment|forgetful]], they can't use PSI. In ''[[Mother 3]],'' when a character is learning a new PSI technique, they will become [[Status ailment|feverish]], slowing them to a walk.

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