This building activates the production of Mutalisks.The Spire also has air armor and air attack upgrades.The building can be modified into the Greater Spire which will activate the formations of Zerg Guardians and Devourers.Mutating this building faster than your enemy will create a surprise attack chance and will surely convert the destiny of the game [...]

This building activates the production of hydralisks as its name implies.The building also includes upgrades which are for the improvement of hydralisks.The upgrades enhance the speed and attack range, also makes lurker formation activation.This building costs 100 mineral with 50 gas but the strategic importance is far more from its cost.For instance mutating this building [...]

This building activates the production of the Zerglings and Sunkens.The building also includes the upgrades releated to the Zergling units.One upgrade enhances the movement of the Zerglings and the other improves the attack speed of the Zerglings.The mutating time of Spawning Pools are deadly important.If you are a rusher you must mutate this building as [...]