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"For the entirety life, I have given myself to the art of creation. My war has been one of design. A battle against obstacles that hinder optimization. I am a phase-smith. It will always be my first calling."

- Phase-smith Karax(src)

A phase-smith

Phase-smiths are protoss engineers that work on the optimization of weapons, armor, and spacefaring ships. The Khalai[1] and Nerazim both use phase-smiths; those of the latter kindred use a different name for their role[2] and are sometimes trained in combat, to the level that they rival the Templar.[3][4] The role of phase-smiths in protoss society date back as far as the Golden Age of Expansion, and they aided in the operation of motherships.[5]

AlliedCommanders SC2-LotV Art1.jpg

This article or section contains information derived from Co-op Missions, and should not be considered part of the official StarCraft storyline.

During the End War, Amon took control of a number of phase-smiths, and used them to construct a fourth arkship. It was deployed against the allied commanders.[6]

Heroes DevLog2.jpg

The following section contains information from Heroes of the Storm and is not canon to StarCraft continuity

Inventive phase-smiths are always experimenting with ways to improve the probes operational efficiency, though the its basic design has remained unchanged for many cycles. [7] Phase-smiths also invented the phase prism, creating a warp prism that can channel Void energies.[8]

Known Phase-smiths[]


  1. 2014-11-11, BlizzCon 2014 – StarCraft II: Legacy of the Void – Characters. Blizzplanet, accessed on 2014-11-11
  2. Acks, Alex. "One People, One Purpose." (July 28, 2020). Blizzard Entertainment. One People, One Purpose Accessed 2020-07-28.
  3. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Conversations before: Amon's Reach (in English). 2015-11-10.
  4. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Karax (In English). 2015.
  5. Brooks, Robert. "It Will End in Fire." (Nov 3, 2015). Blizzard Entertainment. StarCraft Lore: It Will End in Fire Accessed 2015-11-03.
  6. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Mission: Co-op Missions Mutator, Spear of Your Doom (in English). 2016-07-04.
  7. Blizzard Entertainment. Heroes of the Storm (Blizzard Entertainment) (in English). June 2, 2015
  8. Blizzard Entertainment. StarCraft II: Legacy of the Void. Collections Tab: Skins. July 19, 2017