Steal An Egg IndexTerrorbird in Steal An Egg
Mythic · wiki data synced Oct 24, 2026
Terrorbird is a Mythic pet that earns $110K/s at its base size of 6,000 kg. It comes from the Skeletal Egg. The wiki lists no spawn chance for it.
It is #170 of 236 pets by base income, and #10 of 10 in Skeletal Egg.
- Rarity
- Mythic
- Base income
- $110K/s
- Base size
- 6,000 kg
- Source
- Skeletal Egg
How to get Terrorbird
Terrorbird does not spawn in a normal zone nest. It comes from the Skeletal Egg. The wiki has no spawn chance for it yet, so we don't show one.
Terrorbird value by size and mutation
Income grows with weight but slows down past 125× the base size. These are the wiki's formula at three sizes:
| Size | Normal | Golden ×2.5 | Rainbow ×3.5 |
|---|---|---|---|
| 6,000 kg (base) | $110K/s | $275K/s | $385K/s |
| 60,000 kg | $455K/s | $1.14M/s | $1.59M/s |
| 600,000 kg | $1.88M/s | $4.71M/s | $6.59M/s |
Work out your own Terrorbird: open it in the income calculator. All multipliers are on the mutations page.
How Terrorbird compares
By base income Terrorbird is #170 of 236 overall and #19 of 30 Mythic pets. Just above it: Eye Bat #021 ($115K/s); just below: Spideron ($95K/s).
Variants: Skeletal Terrorbird ($750M/s). Variants are separate pets with their own income, not a multiplier.
Other pets in Skeletal Egg
| Pet | Rarity | Base $/s | Drop chance |
|---|---|---|---|
 Skeletal Sabertooth | Divine | $9B/s | — |
 Skeletal Gigantus | Eternal | $4B/s | — |
 Skeletal Dunkleosteus | Eternal | $2.5B/s | — |
 Gigantus | Eternal | $1B/s | — |
 Skeletal Giant Sloth | Secret | $900M/s | — |
 Skeletal Terrorbird | Secret | $750M/s | — |
 Skeletal Glyptodon | Secret | $550M/s | — |
 Dunkleosteus | Secret | $300M/s | — |
 Giant Sloth | Cosmic | $4M/s | — |
| Terrorbird | Mythic | $110K/s | — |
Source: Terrorbird on the Steal An Egg Wiki (CC BY-SA). First listed on the wiki Oct 14, 2026, during the Mounts Are Coming week. Synced Oct 24, 2026.