The Angels & Demons update is the biggest thing to hit Steal An Egg since the Rift Event: a brand-new biome that literally changes sides every night, 16 new pets split between light and darkness, and a hidden Fusion Shrine that lets you merge your best Eternal and Divine pets. It landed as Update 4 on September 13, 2026, and it arrived while Steal An Egg is still, by a wide margin, the single biggest experience on the entire platform. Our Roblox Games API pull on September 13, 2026 shows 2,872,677 concurrent players and over 3.13 billion lifetime visits. This is the complete, fact-checked guide: how to unlock the biome, every new pet and its rarity, and exactly how the Secret Fusion Shrine works.
Quick answer: The Angels & Demons biome unlocks at night once you hit 20 billion Speed. Every night it randomly becomes the Angels side (Light pets) or the Demons side (Darkness pets), each with its own guardian and 8 exclusive pets; on rare nights both merge into a Merged biome that grants both egg types plus a luck bonus. There are 16 new pets total, topped by the ArchAngel (Divine, Light) and the World Burner (Divine, Dark). The old Monster Egg is retired and replaced by the Luminous Egg. Behind the biome's waterfall sits a Secret Fusion Shrine that fuses two eligible Eternal/Divine Light-or-Dark pets into a stronger Fusion Egg. Steal An Egg still has no codes.
Below: the unlock requirement, the full 16-pet roster with rarities, how the nightly Angels/Demons/Merged rotation works, the Fusion Shrine step-by-step, and the honest caveats other guides skip. Pet names and rarities here are cross-checked against the Steal An Egg Fandom wiki and multiple update trackers; where a figure isn't developer-published, it's flagged so you can verify it in-game.
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What is the Steal An Egg Angels & Demons update?
Steal An Egg is a steal-and-hatch income sim: you sneak eggs away from each biome's guardian, hatch them into pets, and every pet generates money-per-second (money/s) forever while it sits in your base. The Angels & Demons update, shipped as Update 4, adds the game's twelfth biome, and it's the first one whose contents change depending on when you log in.
Where the earlier Rift Event bolted a co-op boss fight onto that loop, Angels & Demons adds a time-gated, rotating biome. Here's the core: the new zone only appears during the night in-game, and each night it has a chance to take one of two forms, Angels (light theme) or Demons (dark theme). Each form has its own guardian, its own eggs, and its own set of 8 pets to steal. On rare nights the biome instead spawns as a Merged variant that combines both sides and layers on an extra luck bonus.
That rotation is the whole hook. Because the two sides never appear at the same time (outside the Merged event), completing the full 16-pet collection means logging in across multiple nights and catching both variants, which is exactly the kind of recurring, come-back-tomorrow mechanic that keeps a game at the top of the Roblox charts.
How do you unlock the Angels & Demons biome?
You need a minimum of 20 billion Speed to enter the Angels & Demons biome and successfully steal an egg from it. That requirement applies to the Angels side, the Demons side, and the rare Merged variant equally.
The Speed gate is not a soft suggestion. Each side of the biome has its own guardian, and below the 20B threshold the guardian will almost always catch you before you can carry an egg back to your base, meaning no reward for the run. The update also added a new higher treadmill tier to the shop specifically to help players push their Speed stat toward that 20 billion wall, so if you're grinding toward the biome, the new treadmill is the intended upgrade path.
Practical order of operations: max your Speed first, then start watching the day/night cycle. The biome only exists at night, so there's no point walking to the zone during the day. Build the stat, wait for nightfall, and check which variant spawned before committing your run.
What are all the new Angels & Demons pets?
There are 16 new pets in total, exactly 8 Light pets on the Angels side and 8 Darkness pets on the Demons side. Each side runs the full rarity ladder from Legendary up to a single Divine, with Secret and Eternal tiers in between. Here's the complete roster, with names and rarities as listed on the Steal An Egg Fandom wiki and confirmed across the day-one update guides.
Angels biome (Light pets):
- Light Dove — Legendary
- Winged Lamb — Mythic
- Sacred Moth — Cosmic
- Holy Peacock — Cosmic
- Pure Jellyfish — Secret
- Centaur — Secret
- Pegasus — Eternal
- ArchAngel — Divine
Demons biome (Darkness pets):
- Flame Sprite — Legendary
- Toro — Mythic
- Imp — Cosmic
- Demon Hound — Cosmic
- Gargoyle — Secret
- RazorFang — Secret
- Skeleton Horse — Eternal
- World Burner — Divine
The two Divines, ArchAngel (Light) and World Burner (Dark), are the headline chases; each carries the strongest base stats of its side and is the pet most players will treat as a priority target. The Eternals, Pegasus and Skeleton Horse, sit just below them and matter for a second reason we'll get to: they're the ones eligible for fusion. Exact money/s figures for these new pets aren't developer-published yet, so treat any specific income number you see floating around as community-estimated until it's confirmed in-game.
How does the nightly Angels vs Demons rotation work?
Every night the biome rolls which form it takes. As Roonby's day-one biome guide put it, "The new biome becomes available during the night and can transform into either the Angels or Demons variant… so the variant you get will affect what you can find." The Angels form hatches Light-type animals from its egg pool; the Demons form hatches Darkness-type animals. Because you can only access one side per night, timing your visits matters as much as your Speed stat does. If you log in and it's an Angels night, you can chase the Light roster; a Demons night gives you the Darkness roster instead.
The practical takeaway: log in more than once across the day if you can. Different login times can catch different night rolls, which is the intended way to eventually see both variants without waiting a full week for luck to even out.
The rare Merged biome is the one to drop everything for. When Angels and Demons combine, both egg types appear together in the same zone and the biome grants an extra luck bonus while it's active, noticeably raising your odds of pulling a rarer pet. The Merged variant is time-limited each time it appears, so if you see it, prioritize stealing eggs while the luck boost is live rather than saving the run for later.
How does the Secret Fusion Shrine work?
Tucked behind the new biome is a hidden room called the Secret Fusion Shrine, and it's the mechanical centerpiece of the update. There's no visible door. To reach it, head to the waterfall inside the biome and walk into the hidden path behind it, which leads to a portal; step through the portal to enter the shrine. (Day-one guides also describe a lava-wall entrance on the Demons side, so the exact approach can depend on which variant is active, keep pushing into the wall/waterfall until the screen shifts you through.)
Inside are two pedestals, one for a Light pet and one for a Dark pet. The shrine is picky about what it accepts:
- The pet must be Eternal or Divine rarity.
- The pet must belong to the Light or Darkness type from the new biome, so ArchAngel, World Burner, Pegasus, and Skeleton Horse all qualify.
- Ordinary Eternal or Divine pets from older biomes cannot be used.
The process is: place two eligible pets on the pedestals, wait for the fusion to complete, collect the resulting Fusion Egg, put it in your pen, and wait for it to hatch into a stronger fused pet. This gives your top Angels & Demons pets a second job beyond sitting in your base for income, and it's the single biggest reason to chase duplicates of the Eternal and Divine tiers rather than settling for one of each.
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What else changed in Update 4?
Beyond the biome and the shrine, the update reworked a few systems and added cosmetics:
- Luminous Egg replaces the Monster Egg. The old Monster Egg has been retired; the new Luminous Egg works similarly, giving a rare chance to re-roll into a luminous variant of an animal.
- A limited-time Light vs Dark team event. You pick the light or dark team, then collect glowing rings scattered across the map on a timer. Every ring adds to your team's total, and whichever side collects the most by the end earns an exclusive egg for everyone on that team. Community guides suggest aiming for at least 1,500 rings for the top reward and grabbing any temporary ring-doubling or bonus-XP boosts you spot.
- New higher treadmill tier to push Speed progression toward the 20 billion requirement.
- Moonbloom Trail cosmetic added to the shop, reportedly priced at 5 quadrillion cash, purely a flex item, not a stat upgrade.
- Ongoing teasers hinting at a possible crossover with another popular Roblox character; nothing confirmed yet, so treat it as a rumor rather than a dated feature.
Where do the new pets sit next to the current income leaders?
Honest answer: the two Divines, ArchAngel and World Burner, are positioned as the strongest pets of their respective sides, and the game clearly intends them to be endgame chases behind a 20-billion-Speed wall. But because developer money/s values for the Angels & Demons roster aren't public yet, we're not going to hand you a fake number and call it a ranking.
What we can say with confidence: this is a top-of-collection biome. It sits behind the highest Speed gate in the game so far, its Divines feed the only fusion mechanic in the game, and the Merged-night luck bonus exists specifically to help you land those rarest pulls. If you're already deep enough to have Eternals like the biome's Pegasus and Skeleton Horse, the ArchAngel and World Burner are your next mountain, and then the Fusion Shrine is the mountain after that. If a tracker later publishes concrete money/s figures, cross-check them against the in-game pet index before trusting a "best pet" list built on them.
For where the older Eternals and Divines already stand, our best pets guide and value list track the current income leaders, and the mutations guide covers how modifiers like the new luminous variant multiply a pet's output.
Angels & Demons update: fast facts
- Biome: Angels & Demons, the twelfth biome, night-only.
- Unlock: 20 billion Speed (Angels, Demons, and Merged alike).
- Nightly rotation: Angels (Light) or Demons (Darkness); rare Merged variant grants both egg types + a luck bonus.
- New pets: 16 total, 8 Light + 8 Darkness. Divines: ArchAngel (Light), World Burner (Dark). Eternals: Pegasus (Light), Skeleton Horse (Dark).
- Luminous Egg replaces the Monster Egg.
- Secret Fusion Shrine (behind the waterfall) fuses two eligible Eternal/Divine Light-or-Dark pets into a Fusion Egg.
- Cosmetics: Moonbloom Trail (~5 quadrillion cash), new treadmill tier.
- Codes: none. Steal An Egg has never used codes.
- Live scale (Sep 13, 2026, Roblox Games API): 2,872,677 concurrent players, 3,137,343,573 lifetime visits.
FAQ
How do you get into the Angels & Demons biome in Steal An Egg? You need 20 billion Speed, and the biome only appears at night. Max your Speed (the new treadmill tier helps), wait for nightfall, and check whether the night rolled the Angels or Demons variant before running.
What are the best pets in the Angels & Demons update? The two Divines are the strongest of their sides: the ArchAngel on the Angels/Light side and the World Burner on the Demons/Dark side. Below them, Pegasus (Light) and Skeleton Horse (Dark) are the Eternals, and they're the ones you can also feed into the Fusion Shrine. Exact money/s values aren't developer-published yet.
How does the Secret Fusion Shrine work? Go behind the waterfall inside the biome to reach the hidden portal and enter the shrine. Place two eligible pets, each must be Eternal or Divine rarity and a Light or Dark type from the new biome, on the pedestals, wait for the fusion, and collect the Fusion Egg to hatch a stronger pet. Older-biome pets don't qualify.
What is the Merged biome? It's a rare night variant where the biome spawns as both Angels and Demons at once, giving access to both egg pools plus an extra luck bonus. It's time-limited, so hunt eggs while it's active.
Does Steal An Egg have codes for the Angels & Demons update? No. Steal An Egg has never had a code system, so any site listing "Angels & Demons codes" is not legitimate. Progress comes from stealing eggs, hatching pets, and grinding Speed.
What happened to the Monster Egg? It was retired in Update 4 and replaced by the new Luminous Egg, which gives a rare chance to hatch a luminous variant of an animal.
If you're grinding toward the 20-billion-Speed wall or chasing the ArchAngel and World Burner and would rather skip the multi-night RNG, our team can help you get there directly.
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Live player and visit figures are from a direct Roblox Games API pull (universe 10563114921) on September 13, 2026. Pet names, rarities, and mechanics are cross-checked against the Steal An Egg Fandom wiki and day-one update coverage; money/s values are not yet developer-published and are flagged as unverified where mentioned. Community pet values are player-driven, not official, and change frequently. timesaver.gg is an independent service and is not endorsed by or affiliated with Roblox Corporation or the Steal An Egg developers.
