How to Get the Ironcluck

By Grow a Chicken Fighter Guides Team Published Updated Community-sourced · version-sensitive · reviewed September 4, 2026
How to Get the IroncluckGrow a Chicken Fighter · Updated 2026-09-04

The Ironcluck is a Legendary chicken from the Colossus Egg, published at 15%. That works out to about 7 hatches before you should expect one. The Colossus Egg has exactly five outcomes and its published percentages add up to 100%, so unlike several other eggs in this game there is no missing slice to account for. Below: the full table with expected hatches worked out for every row, where the Ironcluck sits among those five, and one route into this egg that is being reported but is not yet confirmed.

Official promotional image from Grow a Chicken Fighter
Published rateHatches to expectRumble Rooster46%3Shockwave Hen28%4Ironcluck15%7
What each Colossus Egg outcome actually costs

Where the Ironcluck sits in this egg

Of the five outcomes, 2 are more common than the Ironcluck and 2 are rarer. At 15% you should expect roughly 7 hatches, against 3 for the Rumble Rooster at the top of the table and 100 for the Storm Colossus at the bottom. Those figures are simple reciprocals of the published rates, not survey results: they tell you the average, and a single unlucky run can and will run well past them.

The percentages add up, which is not always true here

The five published rates sum to 100%. That matters because several other eggs in this game do not: the Arena Egg table sums to 102% and the Charm, Circuit and Fang Egg tables each sum to 101%. A table that overshoots means at least one figure is rounded or stale, and any expected-hatch number derived from it inherits that error. For the Colossus Egg you can take the arithmetic at face value.

One reported route we are not putting in the table

Community coverage of Update #3 reports a Colossus Egg to Catalyst Hen handoff that opens a Trick Egg chain. We are deliberately keeping that out of the table above. The five rows here are indexed drop data; the Catalyst Hen route is described by its own sources as reported and not yet confirmed in the live game. Mixing the two would make an unconfirmed claim look exactly as solid as a measured one. If it is confirmed, the table gets a sixth row and the percentages get rechecked — because five rows already account for 100%.

Step-by-Step

  1. Get hold of a Colossus Egg — it is the only published route to this chicken.
  2. Hatch it and budget around 7 hatches at the published 15%.
  3. Expect to see Talon Titan and Storm Colossus even less often; everything above 15% will show up first.

Data Tables

Every outcome of the Colossus Egg, with expected hatches worked out from the published rates
ChickenRarityPublished rateExpected hatches
Rumble RoosterRare46%3
Shockwave HenEpic28%4
IroncluckLegendary15%7
Talon TitanMythic10%10
Storm ColossusSecret1%100

FAQ

How do you get the Ironcluck in Grow a Chicken Fighter?

Hatch the Colossus Egg. It is the only published source, and it drops the Ironcluck at 15%, which works out to roughly 7 hatches before you should expect one.

How many Colossus Eggs does a Ironcluck take?

About 7 on average, from the published 15%. That is an average and not a ceiling: roughly a third of players doing this will still be empty-handed after 7 attempts.

Is the Ironcluck the rarest thing in the Colossus Egg?

No. Talon Titan (10%) and Storm Colossus (1%) are rarer.

Do these percentages come from the developer?

No. They come from a community-maintained drop index, not from an official announcement. The five figures do sum to 100%, which is a good sign, but rates can change with any update — check the live game before committing a long grind.

Rarity
Legendary — tier 5 of 8
Published rate
15% from the Colossus Egg
Expected hatches
7
Ways to get it
1 (Colossus Egg only)
Outcomes in that egg
5, summing to 100%

Sources