Infested Diamondbacks leave behind a trail of acid when moving that deals 20 damage per second to enemy units and slowing their attack and movement speeds by 75% (20% against heroic).
Infested Siege Tanks automatically spawn 1 round of Volatile Biomass every 30 seconds. Infested Siege Tanks may spawn up to eight rounds as an auto-cast ability.
Frightful Fleshwelder: Increases the Automated Mitosis Volatile Biomass spawn by 200%.
Infested Liberators instantly transform into a cloud of microscopic organisms while attacking, reducing the damage they take by 85% and causing their target to deal damage to nearby enemies as it moves. Liberators will continue in cloud form until there are no enemies taking damage from it, and can move while in cloud form.