Horizon Forbidden West may have been spoiled on Reddit two years ago by a burner account. The Reddit account described what would ultimately become the Horizon Forbidden West title, then called Horizon 2: Singularity. They did also say the name wasn’t final. The post in question talked about some major plot points and game mechanics.
Within this post, there were several mechanics described that are confirmed in the sequel, so perhaps the enemy named the Oshua may really be the primary antagonists of Horizon Forbidden West.
The original leak talked about the Oshua and Vast Silver as the principal antagonists of the Horizon sequel, where the Oshua wanted to insert The Silver One in a war machine - one of the war machines from before the robot apocalypse.
The first leak of Horizon spoilers discussed the basic story, where Aloy, Varl and a group of Nora braves are tracking down a rogue AI. After tracking it down to some ruins, the rogue AI was found and named HEPHAESTUS. By the time they returned to the embrace, though, Oshua had taken over.
Oshua was described as having 18th-century technology with primitive computer networking. If this is true, this new faction could do a lot to shape the world and lore of Horizon, and give a brand new, powerful menace to overcome for Aloy.
They also posted several paragraphs of "The Deep Lore", with as many details about the story as the writer could possibly remember.
After a few years, the spoiler Reddit post is relevant again, courtesy of Vincent201007 on Reddit. In the post, the user highlighted the overhauled climbing mechanic and the grappling hook that was leaked years ago. It became the free climbing mechanic that is coming in Horizon Forbidden West.
In the more recent post, it was
Read more on sportskeeda.com