Honkai Star Rail Terminus Explained: The Aeon of Finality

Most Aeons are mysterious, but Terminus is a riddle even by their standards. This is the Aeon of Finality, the Path concerned with the end of all things, and almost everything about it runs in reverse. Where other Aeons gaze forwards into the future, Terminus is already there. It exists in the past and travels backwards through time, moving against the flow of history towards the birth of the universe itself. It has never appeared in person during the story, yet its fingerprints are on some of the biggest events in the game.

A God Broken Into Black Cats

The strangest detail concerns how Terminus chooses to exist. Rather than keeping one divine form, Terminus has divided its divine corpus into separate strands of power, and those strands take the shape of black cats. Long-time players will recognise one immediately: the black cat that lingers around the Stellaron Hunters. For years, many players assumed the cat simply was Elio, the Hunters' unseen leader. The story has since clarified that the cat is one strand of Terminus itself — a fragment of an Aeon, travelling with the Hunters.

That reframes Elio's famous script. The Hunters follow the Path of Finality, and Elio is believed to write his prophecies by deciphering the murmurs of the black cat — fragments of knowledge from a being that experiences time backwards. In other words, the script that steers Kafka, Blade, Silver Wolf and Firefly may be second-hand whispers from the end of the universe. The Dahlia has also hinted that Elio himself is a far more special being than he appears, so his exact nature remains one of the game's open questions.

The Four Paths of Finality

Terminus carries a prophecy: four Paths will converge to bring about the destruction of the universe, and those four have now been named.

• The Destruction — Nanook's campaign of annihilation needs little introduction.
• The Nihility — IX's all-consuming meaninglessness, swallowing everything into the black hole of nothing.
• The Harmony — Xipe's embrace, which absorbs individual will into one collective whole.
• The Remembrance — Fuli's perfect archive of memory, which only completes itself when there is nothing left to remember.

Whether the Aeons of these Paths are destined to become Terminus, or whether their convergence simply gives birth to it, is still unknown. It is worth noticing how different the four are. Destruction ends the universe violently, Nihility ends it by erosion, Harmony ends it by absorption, and Remembrance ends it by completion. Finality, it seems, can arrive wearing several faces.

The Factions of Finality

Three factions are known to walk the Path of Finality:

• The Stellaron Hunters — Elio's small crew of operatives, who steal Stellarons and stage interventions across the cosmos, all in service of the script and a future where Nanook can be defeated.
• The Creed Exequy — a little-seen Finality faction about which very little has been shown so far.
• The Omen Vanguards — another shadowy group aligned with Finality, still largely unexplained.

Only the Stellaron Hunters have played a major on-screen role, but the existence of the other two suggests Finality has more servants moving through the cosmos than the story has revealed. For an Aeon that never shows itself, Terminus may be the most influential presence in Honkai Star Rail — a god defined by an ending nobody has reached yet, whispering backwards through a cat.