Through a protoss generating psionic energy, psi-blade focusers[1] mounted on forearm units contain[2] and channel this energy, said units being located on power[3] and light armor suits,[4] used by zealots[3] and high templar respectively.[4]ExecutorTassadar was able to channel his psionic powers into blades without the need for forearm units, as well as extend the length of his psionic blade become whip-like and hit distant targets.[2]
Psi-blades are incandescent,[1] and are usually of a blue-white color.[2] Psi-blades can cut through almost any material regardless of density,[5] though can be parried by other psi-blades[6] and warp blades.[7] Over time, the Khalai have further refined psi-blade focuser construction, allowing psi-blades to increase in power as a zealot's fury mounts in the heat of battle.[1]
Psi-blades locked
The Dark Templar have further refined psi blades into much more powerful warp blades.[8] After the severing of his nerve cords, Artanis demonstrated the ability to wield a psi-blade and warp blade in tandem.[7]
After the fall of Aiur, some Khalai protoss adopted the way of the Nerazim and returned to the planet to wage a secret war against the zerg. These avengers wielded psionic scythes, modified versions of psionic blades.[9]
The Tal'darim possess red psi-blades, referred to as bane blades,[9] which are pure Void energy drawn from Amon's realm. Ancient Tal'darim legends speak of masters who could use them to tear planets in half.[15] Khalai protoss possessed by Amon, including Artanis[16] and Selendis,[17] were able to manifest red psi-blades, as could Emil Narud.[18] The Tal'darim under Narud's command at Skygeirr Station wielded psi-blades of a blue-white color though,[19] as did the Tal'darim under Executor Nyon.[20]
Gestalt soldiers of Project Gestalt, which were terran/protoss hybrids, demonstrated the ability to use psionic blades.[22]
The monomolecular blade utilizes its wielder's psionic energy to hone an edge that has been sharpened to a microscopic degree, allowing it to cut through both physical armor and energy shields.[23]
This article or section contains information about StarCraft: Ghost, which has been declared non-canon. Elements may be taken as 'flavor lore' however. The content may be significantly out of date. Please do not add speculation to this article, and remember to cite a published source for details.
In StarCraft II, psi-blades are colored in accordance with player color in multiplayer games. Some fans reacted negatively, but a compromise was never reached.[25]
Exceptions within the campaigns of StarCraft II are the yellow psi-blades of Karass's zealots,[26] and the green psi-blades of the Zhakul Guardians.[10] In the case of the Guardians their team color (black, not available in multiplayer) is separate from their psi-blade color.
The ghost model has an unused animation for using a psi blade.[27]
An inflatable psi-blade was included in the "goody bag" of BlizzCon 2015.[28]
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