What if GDI and Nod failed to defeat CABAL during the Firestorm Crisis? With both organizations destroyed by CABAL, nothing was stopping the rogue AI from conquering the world, replacing humanity with cybernetics. The Forgotten, out of the way for much of the Firestorm Crisis, now find themselves being hunted down, conflicted between fortifying their sanctuaries and actively waging a guerrilla war for their own survival. The years of unchecked Tiberium growth would also eventually attract the Scrin, expecting Earth to be devoid of hostile life. Their ignorance would only end up thrusting them into the war between CABAL and the Forgotten mutants, a dangerous situation due to their unpreparedness but their desire for the Tiberium Ichor drives them to destroy anything that stands in their way. A new Tiberium War is about to begin between CABAL, the Forgotten, and the Scrin. Conquest, survival, addiction. For whom will you fight for?
* This support power is unique to the Sanctuary Guardians subfaction
When the Guardians used the Chemical Bomb during the defense of the Sanctuary outer regions from a Scrin ground offensive, it was not met without controversy. The bomb's ability to contaminate large swathes of land in mutagenic liquid Tiberium meant that friendlies in the target zone risked exposure. Worse, not only were the Scrin resistant to it, their biomechanical bodies thrived in it. This created an unnecessary friendly-fire incident that only benefited the enemy. Since then production of the weapon ceased and the contents of all existing Chemical Bombs were refined for use in smaller munitions, among them being Corrosion Bombs. These are of a lower yield which do not risk mass contamination but still potent enough to chew through any material dealing gradual damage, including Scrin armor. The acidic liquid Tiberium will also weaken armor and hamper movement, leaving those unlucky enough to be hit by these bombs extra vulnerable. The substance does not last long however as it evaporates over time, leaving Tiberium gas clouds in it's wake.