To create the largest pets in the Roblox experience Steal an Egg, gather duplicate companion creatures from high-tier nests and submit them into the base pet fusion machine. Fusing permanently consumes the selected input pets to create a single, physically oversized creature with higher stat multipliers and increased passive income per second.

How Pet Fusion Works

The pet fusion machine consolidates multiple companion pets into one upgraded creature. Because pen space is limited by your base upgrade level, fusing allows you to condense earnings from several weaker companions into a single slot.

To complete a fusion:

  1. Approach the pet fusion machine interface inside your base compound.
  2. Open your pet inventory and select the duplicate or compatible creatures you want to merge.
  3. Confirm the fusion to combine them.

The resulting pet's physical scale, rarity tier, and income multipliers depend directly on the tier and quantity of the pets you submit. Higher-rarity inputs cause the fused model to expand substantially, sometimes growing to several times the player's height.

Important: Fusion permanently deletes all submitted input pets. Never submit a singular utility mount or an event creature unless you already own verified duplicates or an upgraded pet that surpasses its performance.

Gathering Duplicate Pets Efficiently

Creating giant pets requires collecting matching high-tier pools rather than random assortments. Merging mixed common pets produces negligible size scaling and low income returns.

  • Farm Specific Danger Zones: Target high-tier egg nests—such as guarded, demon, or divine nests—to build a stock of identical companion drops.
  • Prioritize Tier Over Quantity: Submitting a small batch of rare or epic companions produces a significantly larger creature and better income increases than feeding in ten baseline common pets.
  • Filter Common Clutter: Clear low-tier common eggs and pets from your inventory and holding pens so your carrying capacity does not fill up during extraction runs.
  • Hatch in Batches: Open eggs in clusters at your base. This lets you confirm whether you have reached the duplicate threshold needed for a large fusion before committing your materials.

Always maintain an active set of earning pets in your pen while accumulating duplicates. Do not unpen or fuse your active earners until your replacement or fused creature is fully ready.

Pen Placement and Compound Security

While giant fused pets feature massive physical models, they only occupy a single standard pen node. This allows you to generate high cash density without exceeding your pen's creature cap.

  • Center Your Giant Pets: Position your largest fused pets toward the center of your pen. This prevents their expanded hitboxes from clipping through base walls or blocking access to base doors and defense switches.
  • Use Mobility Gear on Return Routes: When carrying fusion-grade eggs back from dangerous nest areas, equip mobility items like high-speed bikes or launch pads. Staying off crowded central paths minimizes the risk of ambushes from rival players.
  • Lock Down During Transfers: Before removing pets from your pen to take them to the fusion station, close and lock your base gates. Verify that no intruders are inside your perimeter, process the fusion quickly, and return the new giant pet to its pen slot immediately.

Reinvest the passive income generated by your giant pets directly into base fortifications, movement speed boosts, and inventory carrying capacity to streamline future egg harvesting runs.

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Emily Johnson

Emily Johnson

Emily writes practical mobile strategy guides with a focus on resource planning, base progression, and the early decisions that shape a long-term account.