Steal An Egg IndexNuclear Mantis in Steal An Egg
Eternal · wiki data synced Oct 24, 2026
Nuclear Mantis is a Eternal pet that earns $1.5B/s at its base size of 2,000 kg. It comes from the Biohazard Egg, inside the Biohazard Egg. The wiki lists no spawn chance for it.
It is #31 of 236 pets by base income, and #1 of 5 in Biohazard Egg.
- Rarity
- Eternal
- Base income
- $1.5B/s
- Base size
- 2,000 kg
- Source
- Biohazard Egg
- Egg
- Biohazard Egg
How to get Nuclear Mantis
Nuclear Mantis does not spawn in a normal zone nest. It comes from the Biohazard Egg, inside the Biohazard Egg. The wiki has no spawn chance for it yet, so we don't show one.
Nuclear Mantis 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 |
|---|---|---|---|
| 2,000 kg (base) | $1.5B/s | $3.75B/s | $5.25B/s |
| 20,000 kg | $6.21B/s | $15.5B/s | $21.7B/s |
| 200,000 kg | $25.7B/s | $64.2B/s | $89.8B/s |
Work out your own Nuclear Mantis: open it in the income calculator. All multipliers are on the mutations page.
How Nuclear Mantis compares
By base income Nuclear Mantis is #31 of 236 overall and #12 of 30 Eternal pets. Just above it: Shelltide Voyager ($1.6B/s); just below: Phantom Dragon ($1.5B/s).
Other pets in Biohazard Egg
| Pet | Rarity | Base $/s | Drop chance |
|---|---|---|---|
| Nuclear Mantis | Eternal | $1.5B/s | — |
 Nuceodile | Secret | $500M/s | — |
 Toucax | Cosmic | $30M/s | — |
 Radcoon | Cosmic | $2.2M/s | — |
 Toxic Rat | Mythic | $180K/s | — |
Source: Nuclear Mantis on the Steal An Egg Wiki (CC BY-SA). First listed on the wiki Sep 27, 2026, during the Dr. Scramble’s Revenge week. Synced Oct 24, 2026.