Guardian (StarCraft II)

In StarCraft II, guardians appear in Legacy of the Void in several missions.

Primal guardians appear as a strain of primal zerg in Heart of the Swarm.

The guardian is virtually identical to how it was in StarCraft, a slow-moving but long range aerial siege flyer. It is appeared as one of the zerg breeds in Amon Brood in Legacy of the Void campaign and as feral zerg breed in Nova Covert Ops campaign.

Co-op Missions
Guardians are exclusive to Abathur in Co-op Missions. Abathur unlocks upgrades for them at the spire and greater spire once he reaches Level 11. Guardians are used by Amon's forces in some Co-op Missions.