Editing Realm Guard and Mercenaries (section)

==The Wings of Rust==

A Nurglite force operating in the Tempestus Gap. The Wings of Rust are notable for their heavy focus on air power. Instead of the typical plague zombie horde or the plodding heavy armor favored by mechanized Nurglite forces, the Wings of Rust consist nearly entirely of aero-space craft, typically deployed from orbiting carriers. The strategy is entirely straightforward: first, achieve air supremacy. Then, blanket the helpless population centers in virus bombs until the planet succumbs to Nurgle's embrace. Leave. 

The Wings of Rust have a theme of industrial pollution and decay, as opposed to the usual pus and vomit or the Second Son's Chernobyl. Their pitted, corroded aircraft trail thick clouds of chemical smoke, which jam the guns, foul sensors, and corrode the engines of enemy aircraft that fly through them. The bombs they drop are filled with toxic metals, asbestos, and condensed smog in addition to the normal run of diseases. Metal rusts, machines fail, and guns jam. Tetanus crawls on every surface as jagged oxide spikes sprout from every metal surface like some metallic fungus. Unusually for a Nurglite force, the Wings of Rust also make moderate use of incendiaries, adding plumes of choking ash to the pollution. As the relentless bombardment continues, the planet's sky becomes choked with ash and smog, the sun dims, factories choke. Everything comes to a halt.

Although their tactics are simple, countering them is usually beyond the resources of the average planet. With anti-orbital defenses always the first installations targeted, the target planet is soon deprived of the ability to strike at the carriers. With their starships forming an unassailable rear area, the Wings of Rust can then strike at any point on the surface of the planet with near impunity. Screaming down from orbit in deep dives, targeted installations are often given mere minutes to brace themselves for the assault. The Wings of Rust use extremely high force concentrations, often committing their entire force to individual attacks. This limits their operational tempo, but ensures that their specific target will be utterly outnumbered. Thus, the defenses of the target world are smashed apart one element at a time, until the planet lies helpless, incapable of meaningful resistance.
Then the bombing begins in earnest.

The Wings of Rust do have a ground force, consisting of air cavalry and drop infantry. They are used as commandos, striking to destroy hardened targets where air power alone cannot suffice. On occasions where taking and holding territory becomes necessary, the Wings of Rust prefer simply to throw hordes of 'Smog Zombies' (a variant of the standard plage zombie, purely aesthetic) generated by their bombardment at the problem.

Once the planet has been reduced, the Wings of Rust simply depart. Although many planets such visited become sources of further Nurglite warbands, the Wings never recruit from the world they attack, and often never even land on them. They replenish their numbers and supplies exclusively from their unknown homeworld.