Other Special Locations lists various Special Locations that haven’t been visited, but are mentioned in the lore or 
Anthem through Cortex entries or by civilians of Fort Tarsis.
Antium Pass
Antium Pass is the mountain pass encountered before reaching the city of Antium. This is one of the locations where the Final Battle against the Urgoth took place. It is a narrow mountain pass surrounded by many cliffs and rock formations.
Blackstone
Blackstone was a location of a battle of the Legion. While Tarsis and her Legionnaires were fighting the enemies, Yvenia swiftly collected materials and resources amid the battle to aid the Legion. Then during the battle, using these resources, Yvenia forged a weapon causing lightning to strike.
Croassus Mountains
Croassus Mountains are remarkable mountains in the Western Pass. Its exploration led to the discovery of Mirelands when Last Argument was used to explore the mountains.
Deadfall
Deadfall was the location of a battle that took place when Yarrow was doing a contract. It was an ambush caused by outlaws. In 468 LV, Yarrow had A Favor to Ask of the Freelancer to light a shrine for the lancers who fell during this battle.
Deadlight Caverns
Deadlight Caverns are caves in Bastion. According to Owen, it is one of the worst places in the world to do any activity.
Hammertop Mountains
Hammertop Mountains are the mountains seen on the east side of Northern Bastion. They are the backdrop for Skystone and lead towards Heliost. Scars are first thought to have originated at the base of this mountain in 413 LV at Scar's Duskheap.
Helossar Glacier
Helossar Glacier is a glacier found in the mountains of Heliost. In the summer, the river that rises from this glacier waters the verdant forests. The river flows between a two hill ranges.
Hesperian Tide
Hesperian Tide is a far off location. Matthias mentions that the Elysian Manuscript has locations of relics and artifacts from beyond the Hesperian Tide. During a cataclysm, a monster given the name of Hesperian Serpent, rose from the darkest pits of the open sea. It wreaked such a havoc that the ground beneath Fort Tarsis shook.
Indigo Veil
Indigo Veil is a location in Bastion. This is where the Battle of Wyvern Horde too place. Several lancers, including Haluk fought in this battle. The name of this location may be a reference to the Indigo birds.
Red Tomb Valley
Red Tomb Valley is the location of battle in Bastion. Here Sentinel Commander Barris Djall used the untested weapon Grave Digger very effectively against the Scars earning the Sentinels a victory.
Scavenger Point
Scavenger Point is a location in Bastion. A battle took place here when Yarrow was doing a contract. It was an attack caused by Scars when Arcanists went searching for unnatural Shaper energy. Fortunately, Yarrow and several Freelancers were contracted by the Arcanists who went there inside a strider piloted by Renny Quint. In 468 LV, Yarrow had A Favor to Ask of the Freelancer to light a shrine for the lancers who fell during this battle.
Shadowgap Trench
Shadowgap Trench is a location in Bastion. A rogue Ursix had terrorized this location. But Haluk and other lancers put an end to that.
Sundric Lowlands
Sundric Lowlands are on the northern side of Heliost. Here, the mountains of Heliost gave way to a soggy heath. Thick fog blanblankets the land, and many distressed trees and crumbling castles can be seen here.
Western Pass
Western Pass is the mountain range on the Western side of Northern Bastion. It leads into the Great Expanse. When Prospero was younger and a lancer, he witnessed a horrific scene where three titans were fused together here. His strider moved quickly away and never looked back. Mirelands is also beyond the Western Pass.
Trivia
- Croassus mountains are not mentioned in the game, but found in datamined texts. It is mentioned in the wiki because it plays a minor role in defining the location of Mirelands as a place in the west side of Bastion.
- Scavenger Point and Deadfall are not locations of Northern Bastion, as their shrines are located in The Bullet Mires (District).
- In the 2017 reveal trailer of Anthem, Deadlight Caverns were located relatively deep beneath a channel of a water in what looked like Academy Ruins Subregion.