Bred from the Mutalisk strain, the Devourers are a deadly addition to the Swarm. These large, flying behemoths are capable of spewing their vile acid at any airborne ships or creatures, causing significant corrosive damage.
The venom of the Devourer consists of toxins that can eat through any known substance, including the reinforced armor plating of Terran and Protoss capital ships. The venom also contains Acid Spores that hinder the fighting ability of the target, and these Spores often splash off the target to hit additional nearby enemy craft.
Despite its large size, the Devourer can travel through the air at surprising speeds. Once the Devourer arrives at the battlefield, any enemy aerial unit at the scene will have something to worry about. The Devourer's massive 25 explosive damage attack is quite destructive, but on top of that, the acid spores that splash off the direct impact hinder the enemy in two important ways. Each Acid Spore attached to an enemy unit will increase the Cooldown of the enemy's weaponry by 1/8th of the original cooldown value. The effects of the Acid Spores are cumulative, but any unit can only possess up to nine Acid Spores at any one time.
Additionally, with every Acid Spore that's attached, the unit takes an additional point of damage whenever it is attacked. For example, a unit with 9 spores (the maxiumum possible), will suffer 18 points of damage per Mutalisk attack with its bounce attack doing 12 and 10 points to any other nearby enemy units that also have 9 Spores attached.
| || Corrosive Acid 
| Damage || 25 (+2 per Flyer Attack level)
| Targets || Air
|| Very Slow
| Every attack will attach a spore to target enemy unit (up to 9 spores maximum). Each spore will slow down the enemy's attack speed, and cause it to suffer additional damage from attacks.
The Corruptor's StarCraft 2 model
The Devourer has been replaced by the Corruptor
in StarCraft 2. This new unit can also only attack air units, but its attack mechanic is quite different. Rather than stacking acid spores that cause additional damage, the Corruptor can actually cause newly-killed units to become flying turrets that will aid the Zerg force in a battle.