Steal an Egg Angels and Demons Biome Guide, All Pets!
The Angels and Demons update has arrived in Steal an Egg, adding a new biome with several unique mechanics and a fresh set of Pets to collect. The biome can change into different forms during the night, giving players access to either Light or Darkness Pets.
There is also a rare Merged version that combines the two sides and gives an extra luck bonus. On top of the new Pets, the biome also hides a Secret Fusion Shrine where players can combine certain high-rarity Light and Dark Pets to create a special Fusion Egg.
How the Angels and Demons Biome Works

The new biome becomes available during the night and can transform into either the Angels or Demons variant. Both versions have their own Pets, Guardians, and theme, so the variant you get will affect what you can find.
You need at least 20 Billion Speed to access the biome. This requirement applies to the Angels and Demons versions as well as the secret merged version. There are 16 new Pets in total, with eight Light Pets from the Angels variant and eight Darkness Pets from the Demons variant.
The Guardians also change depending on which version of the biome is active. This means you should pay attention to the biome before deciding where to focus your efforts.
Demons Biome and Darkness Pets
The Demons variant focuses on Darkness Pets and can appear when the biome changes during the night. It contains eight exclusive Pets with different rarities, including several high-end Secret, Eternal, and Divine Pets. Here are all of the Darkness Pets available in the Demons Biome:
- Flame Sprite — Legendary
- Toro — Mythic
- Imp — Cosmic
- Demon Hound — Cosmic
- Gargoyle — Secret
- RazorFang — Secret
- Skeleton Horse — Eternal
- World Burner — Divine
The higher-rarity Pets are naturally the ones players will want to focus on, especially the Eternal and Divine options. If the Demons Biome appears, it is worth using the available time to search for these Pets.
Angels Biome and Light Pets
The Angels variant is the opposite side of the new biome. Instead of Darkness Pets, this version gives players a chance to obtain exclusive Light Pets. There are also eight Light Pets in this variant, ranging from Legendary to Divine rarity. Here are all of the Light Pets available in the Angels Biome:
- Light Dove — Legendary
- Winged Lamb — Mythic
- Sacred Moth — Cosmic
- Holy Peacock — Cosmic
- Pure Jellyfish — Secret
- Centaur — Secret
- Pegasus — Eternal
- ArchAngel — Divine
Just like the Demons side, the Angels Biome has several valuable high-rarity Pets. The ArchAngel is the highest-rarity Light Pet currently listed for this biome, while Pegasus is the Eternal option.
Secret Merged Angels and Demons Biome

There is also a secret version of the biome that can appear during the night. Instead of becoming purely Angels or Demons, the biome can merge both variants together.
The Merged Angels and Demons Biome keeps the same 20 Billion Speed requirement. However, it provides an additional luck bonus while active, making it one of the best opportunities to hunt for rare Pets.
If you see the Merged Biome appear, try to make the most of its limited active period. The extra luck can improve your chances of finding valuable Pets, so it is a good idea to focus your efforts on stealing Eggs while the biome is available.
How to Find the Secret Fusion Shrine
The Angels and Demons Biome also contains a hidden location called the Secret Fusion Shrine. Finding it is important if you want to create the special Fusion Egg. Once you enter the new biome, look around for a waterfall. There is a hidden path behind the waterfall that leads to a portal.
Enter the portal to reach the Secret Fusion Shrine. Inside, you will find two pedestals designed for Light and Dark Pets. The shrine is not simply a place to combine any high-rarity Pets. There are specific requirements for the Pets you can use.
How to Use the Secret Fusion Shrine

To use the Secret Fusion Shrine, you need to bring an Eternal or Divine Pet from the Angels or Demons pool. The Pet must be a Light or Dark Pet. Other Eternal or Divine Pets cannot be used for this fusion, so make sure you are bringing one of the eligible Pets from the new biome. The basic process is:
- Enter the Angels and Demons Biome.
- Find the waterfall.
- Go behind the waterfall and enter the hidden portal.
- Enter the Secret Fusion Shrine.
- Place an eligible Eternal or Divine Light or Dark Pet on the pedestal.
- Wait for the fusion process to finish.
- Collect the Fusion Egg.
- Place the Fusion Egg in your pen.
- Wait for the Egg to hatch and reveal the fused Pet.
The shrine gives you another reason to collect the stronger Pets from the new biome. Instead of only keeping them as part of your collection, eligible Eternal and Divine Pets can be used to access the fusion mechanic.
The Angels and Demons update adds a lot more to do in Steal an Egg, especially for players who are already searching for high-rarity Pets. The new biome can switch between Angels and Demons each night, with each side offering eight exclusive Pets.
The secret Merged Biome is even more useful because it combines both sides and gives an extra luck boost. Meanwhile, the Secret Fusion Shrine behind the waterfall gives players another reason to explore the biome and collect eligible Eternal or Divine Light and Dark Pets.
If you meet the 20 Billion Speed requirement, keep an eye out for the Angels, Demons, and Merged variants. The rare Pets and Fusion Egg make this one of the more interesting areas to explore in the new Steal an Egg update.
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