Vertigo 2: Into the Aether

Into the Aether is a story expansion for Vertigo 2. Embark on an interdimensional expedition to the oldest and most mysterious universe, discover new weapons and tools, and defeat fearsome new enemies.

Claim artifacts of the Void to increase your strength and unlock new paths to explore.
The Void Grappler is the ultimate movement upgrade. It can attach to most surfaces, letting you swing around like a maniac in any environment.

The Void Deflector is a new defensive option. Deflect attacks with precise timing, accumulating energy for a counterattack.

And more!

In Vertigo 2, Brian unknowingly helped the Void Delegation's attempt to invade earth. Now, he's fighting against them at the side of the rogue realmwalker Kauboi. With the Delegation in disarray, Kauboi wants to attempt a rescue mission that would have been impossible before. Will Brian be able to pull it off? 

A digital copy of Stay out of the Aether is included with the DLC. Stay Out of the Aether is an illustrated short story set before the events of the Vertigo games.
It also contains some bonus content:
A map of the known areas of Aether

A report on Aether by Planck scientists

Brand new concept art