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Chain reaction

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Chain reaction is a psionic power demonstrated by Sarah Kerrigan during the Second Great War. Using it, Kerrigan was able to allow her energy blasts to arch, hitting multiple targets.[1]

Game EffectEdit

Heart of the SwarmEdit

SC2 ChainReaction Icon Chain Reaction

Kerrigan's normal attacks strike up to four adjacent enemies, dealing an extra 10 damage to each of them.

Campaign Acquisition
Acquired from Complete Harvest of Screams or Domination.

Co-op MissionsEdit

In Co-op Missions, Sarah Kerrigan gains the chain reaction upgrade at level 9.

SC2 ChainReaction Icon Chain Reaction

Kerrigan's attacks bounce to subsequent enemies, dealing 10 damage to up to four more targets.

Campaign Acquisition
Unlock Reach Kerrigan Level 9
Purchased from Evolution chamber
Hotkey R
Cost 150 Minerals Terran SC1 150 ZergVespene SC2 Game1 90Time SC2 Game1


  1. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Kerrigan's abilities and status (in English). 2013.

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