Elden Ring: Nightreign has already proven that FromSoftware’s first real multiplayer venture is no side experiment. The co-op spin-off sold over 3.5 million copies across PC, PS5, PS4, Xbox Series X|S, and Xbox One, and it has kept players hooked with updates, patches, and new content. In 2026, the conversation around Nightreign is still fueled by one tantalizing question: what happens when the game stops being merely hard and becomes a straight-up nightmare?

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That question has a name, at least according to dataminers: Deep of Night. The mode has not been officially confirmed by FromSoftware, but the evidence buried in the game files is hard to ignore. Dataminers found clear references to an infinite ranked mode, and the leak eventually made its way to Reddit with screenshots and details that had fans equal parts excited and terrified. The original post, shared by user Adminisitrator, might vanish at any moment, but the idea behind Deep of Night is already living rent-free in the community’s head.

A Ranked Mode With Teeth

Deep of Night is described as an entirely new type of expedition, one built specifically for top-tier players. It reportedly uses skill-based matchmaking to pair elite users into duos or trios, then throws them into continuous waves of random bosses as the night drags on. The mode is said to be endless, or nearly so, and its ranked structure is similar to Armored Core VI: Fires of Rubicon. That comparison alone tells players what kind of energy FromSoftware is bringing to the table: precise, punishing, and unapologetically competitive.

The leak also points to five levels of depth. The deeper a squad goes, the harder the mode becomes, and there is no turning back. If a team reaches Depth 3, it cannot return to Depth 2 or Depth 1. That one-way descent is the kind of design choice that makes a mode feel like a proper expedition rather than a simple playlist. It also gives every run a sense of commitment. Once the door closes behind a squad, the only direction is forward.

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The Pain Comes With Rewards

Fortunately, Deep of Night is not all suffering. According to the leak, surviving more encounters rewards players with better weapons, relics, and gear. That loot loop is important because it gives elite squads a reason to keep pushing even when the odds feel absurd. The mode is meant to be a masochist’s dream, but it is also meant to be a progression treadmill for the most dedicated Nightreign players.

Leaked detail What it suggests
Name Deep of Night
Structure Endless or near-endless expedition with continuous waves of random bosses
Matchmaking Skill-based ranked matchmaking for duos or trios
Depth levels Five tiers; progress is one-way, so Depth 3 locks out Depth 2 and 1
Rewards Better weapons, relics, and gear for surviving deeper
Inspiration Ranked system similar to Armored Core VI: Fires of Rubicon

This leak arrived alongside another important Nightreign update: Patch 1.02 added the Duos Mode, finally letting players team up in pairs. At launch, Nightreign only supported solo or trios, so the addition of duos was a meaningful change for players who wanted a smaller, more personal co-op experience. Deep of Night would take that same duo-or-trio structure and aim it squarely at the hardest of the hardcore.

Why the Community Is Losing It

FromSoftware has yet to make an official announcement, and that silence is doing a lot of work. The evidence is piling up, the screenshots are floating around, and fans are losing it over what might be the hardest mode in Elden Ring history. The original leak chatter pointed toward Gamescom’s Opening Night Live on August 19 or Tokyo Game Show 2025, but with 2026 now here, the mode’s official status remains the big question mark. Was Deep of Night meant for a grand stage? Is it still being tuned behind closed doors? Good grief, the speculation never stops.

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For now, players can only read the tea leaves. The datamine paints a picture of a mode that matches elite users, pushes them through five depths, and refuses to let them retreat. It is brutal, competitive, and very much in line with FromSoftware’s habit of turning suffering into a reward loop. Nightreign has already shown that it can grow with new weapons, relics, bosses, and modes. Deep of Night would be the next logical step, a ranked endgame for players who have already mastered the base expeditions.

Of course, datamined content is never a promise. Files can be leftovers, experiments, or ideas that never make it to launch. But the specificity of Deep of Night is what makes it so believable. The five depths, the one-way progression, the skill-based matchmaking, the endless boss waves, the rewards for surviving deeper: it all sounds like a complete design, not a random string of code. That is why fans are treating the leak like a countdown rather than a rumor.

What exactly waits at Depth 5? That is a question for another night.