STEAL EGG
Update 13

Stormlands in Steal an Egg — how to get the Storm Egg and unlock Thunderous

Visit Stormlands between Prehistoric and Cosmic. Break falling rocks during Skyfall to collect Thunderstones for the limited-time Storm Egg. Activate Storm Rush to earn Sparks for Thunderous Mutation.

Stormlands gameplay during Skyfall with the in-game event notice and countdown.
Stormlands gameplay during Skyfall with the in-game event notice and countdown.

  1. When is Skyfall?

    Skyfall starts at :00 and :30 every hour and lasts 5 minutes.

  2. Storm Egg

    Buy the Storm Egg for 200 Thunderstones. Break falling rocks during Skyfall in Stormlands to collect them. Skyfall begins at :00 and :30 every hour.

    The Storm Egg hatches into one of the six pets below at random. The individual hatch chances have yet to be confirmed.

  3. Storm Glass

    During Skyfall, look for rocks charged by lightning. They have a rare chance to drop Storm Glass. Collect 3 Storm Glass and bring them to the machine inside the secret cave in Stormlands.

  4. How to activate Storm Rush

    Use the infographic to recognize the cave entrance. The route to it still needs to be documented.

    Skyfall infographic showing the cave entrance, Storm Glass collection and Storm Rush flight controls.
    Skyfall infographic showing the cave entrance, Storm Glass collection and Storm Rush flight controls.

    Activate the machine to start Storm Rush and fly to collect Sparks. On a keyboard, hold Space to fly up and Shift to fly down.

  5. How to get Thunderous Mutation

    In the Stormheart Cave in Stormlands, trade 150 Sparks with Rumble at the Thunder Trade-In for one Thunderous Mutation. Put 3 Stormglass into the Storm Conductor to start a Storm Rush, then fly to collect Sparks. A successful application gives a ×2.75 income multiplier. The application chance is still unconfirmed.

    Thunderous Mutation · ×2.75

    Thunder Trade-In panel showing the exchange of 150 Sparks for 1 Thunderous Mutation.
    Thunder Trade-In panel showing the exchange of 150 Sparks for 1 Thunderous Mutation.

Thunderstones are for the Storm Egg, Storm Glass activates the machine, and Sparks pay for Thunderous Mutation.

Update 13 — Stormlands, Skyfall and Thunderous · Explore the Stormlands biome