This article concerns
StarCraft II gameplay. You may be looking for:
Biological air-to-air missile
0.86 (used once) (campaign)
0.83 (used once) (Co-op)
Scourges appear in outside multiplayer.
Wings of Liberty
Scourges appear in
as environmental ambiance in missions StarCraft II: Wings of Liberty ; they appear in the protoss mini-campaign  and in the  Char missions. They are last seen as a special form of attack by  leviathans, dealing 500 damage each.
Heart of the Swarm
, scourge are launched from StarCraft II: Heart of the Swarm scourge nests as part of scripted events in " Fire in the Sky".
A "scourge spore" exists in
Heart of the Swarm beta files.
The scourge is exclusive to
Zagara in , and require a scourge nest to mutate. Upgrades for the scourge are unlocked when Zagara reaches Level 4. As in the original Co-op Missions , scourges mutate in pairs.
Upgrades and Abilities
Scourge cost 50 less vespene gas to mutate.
Reach Zagara Level 4.
Allows Scourge to automatically target structures.
The Scourge detonates at its current location and damages all nearby enemy air units.
Increases the attack damage of zerg air units
Increases the armor of zerg air units.