Outer Expanse

Outer Expanse is a region added in the Downpour DLC. It is separated from the rest of the world by a locked Karma Gate in the westernmost place of Subterranean. It is a lush and lively place, dotted with ruins of the Ancients.

Overview
The Outer Expanse is a lush amalgam of sprawling uneven terrain, cavernous networks filled with swathes of overgrowth, and dilapidated ruins in its background. The region is adorned with various massive protrusions of flora, some tinted by a tangerine hue. Its background is dominated by various clouds and the looming presence of the superstructure.

Due to the Outer Expanse being elevated above the clouds, it does not experience the Rain, instead experiencing a night period in similar manners to the. However, certain sub-regions do still experience rain, such as the Sunken Pier.

Outer Expanse is a home to a number of unique creatures, the best known being the s. The Karma Gate was placed under lock-down by to keep the creatures of the place from ransacking his and 's facility grounds. It can be only explored by at first, once they meet Five Pebbles. After their ending is completed, the and the  gain access to the region as well, at the cost of having to endure the rain.

Points of Interest

 * Pearl_OE.png Light Purple Pearl

Sunken Pier
The outer remains of the Subterranean pier the Ancients used to send supplies to the Iterators. Consists of a network of various catwalk-like structures and rails, elevated over open grey clouds. The lowermost areas are linear swamplands, casted in darkness and only illuminated by luminescent flora. The Sunken Pier is susceptible to the Rain

It contains the region's only colored pearl.

Facility Roots (Western Intake)
The roots of Five Pebbles and Looks to the Moon's water-pumping lymphatic systems. The campaign starts in Outskirts right after exiting the Facility Roots. It acts as a one-way connection to the Outskirts, with the Karma gate leading to an underground pumping station.

Journey's End
The tree-home of the Slugcats seen in and  opening cut-scenes can be found here.

Trivia

 * This region is the original homeland of Survivor and Monk, and quite likely the natural habitat of the species.
 * The long drop connecting to Outskirts is likely where Survivor and Monk were washed away by the rain in their intros.
 * This is supported by the music that plays upon entering the area, Pictures of the Past, the same track that plays in the intros of Survivor and Monk.
 * The sub-region Sunken Pier features threat music layers unique to it.
 * Journey's End at night features threat music layers unique to it.
 * On approaching the Journey's End tree as a that can't normally access it, it still ends the game, and gives the ending achievement.

Interactive Map
Interactive map ported by Dual, Original by Henpemaz.