Greater Spire

	Cost: 100 150 Build time: Very Long Hit Points: 1000 Energy: 0 Ground/Air Attack: 0/0 Natural Armor: 1 Armor Type: Heavy Size: 2x2 Requires: Hive Hotkey: G
Produces: None
Researches: Flyer Attack Level 1 100 100 Level 2 175 175 Level 3 250 250 Flyer Carapace Level 1 100 100 Level 2 175 175 Level 3 250 250
Evolves To: None
Description: The Greater Spire allows Mutalisks to morph into Guardians, or Devourers if you are using Brood War. The Greater Spire allows for the same upgrades as the Spire, and has more hit points as well.