How to breed Eye of Cthulhu
Dark 
All 11 pairs that hatch Eye of Cthulhu include one, so the first comes from a dungeon boss.
How to get the first Eye of Cthulhu
- Male share
- 50%
- Parent pairs
- 11
- Inside dungeons
The game data has no overworld spawn for it.
- Dungeon boss
Once you have a male and a female, breed them: every egg is an Eye of Cthulhu unless it mutates.
It also hatches from an Eye of Cthulhu with Demon Eye, Green Slime, Blue Slime, Illuminant Slime, and Purple Slime.
No low-level route exists: every pair needs an Eye of Cthulhu.
All 11 parent combos
All 11 pairs
All 10 pairs of other species include a Dark Pal and 5 a Neutral Pal, so collect those.
Each pair needs one male and one female unless a gender is given. How breeding power and special combos decide the egg.
| Pair | Catch both from | Note |
|---|---|---|
 | ||
| Blue Slime + Eye of Cthulhu | Special combo | |
 | ||
| Cave Bat + Eye of Cthulhu | Special combo | |
 | ||
| Demon Eye + Eye of Cthulhu | Special combo | |
 | ||
| Enchanted Sword + Eye of Cthulhu | Special combo | |
| | ||
| Eye of Cthulhu + Eye of Cthulhu | Same species | |
| Eye of Cthulhu + Green Slime | Special combo | |
| Eye of Cthulhu + Illuminant Bat | Special combo | |
| Eye of Cthulhu + Illuminant Slime | Special combo | |
| Eye of Cthulhu + Purple Slime | Special combo | |
| Eye of Cthulhu + Rainbow Slime | Special combo | |
| Eye of Cthulhu + Red Slime | Special combo | |
Special combo
Eye of Cthulhu + Demon Eye always gives Eye of Cthulhu, whatever the parents' breeding power.
Green Slime + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Blue Slime + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Illuminant Slime + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Purple Slime + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Rainbow Slime + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Red Slime + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Enchanted Sword + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Cave Bat + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Illuminant Bat + Eye of Cthulhu always gives Eye of Cthulhu, whatever the parents' breeding power.
Egg and incubation
- Egg
- Large Dark Egg
- How sure we are
- Likely, from its first element UnverifiedNot confirmed by game data or testing yet. Inferred from its first element. No game table names each Pal's egg.
- Egg size
- Normal Large Huge
| World preset | Hatch time |
|---|---|
| Easy | 15 min |
| Normal | 30 min |
| Hard | 1 h |
| Old dedicated server default | 36 h |
Hatch time rule Datamined codeDerived from the game code, not from a data table.
Before incubator and temperature bonuses. A Large egg takes the Huge egg time divided by 2.
What Eye of Cthulhu breeds into 108 Pals
The most searched of the 108 Pals Eye of Cthulhu can hatch, each with its easiest partner. The rarest ones are on the Eye of Cthulhu page.
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with
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with
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with
Changed in 1.0
- Breeding power
- 1,380 → 3,100
- Old pairs that changed
- 0 of 11
FAQ
How do you breed Eye of Cthulhu?
Every pair that hatches Eye of Cthulhu needs an Eye of Cthulhu already, so the first one has to come from a dungeon boss.
Besides two Eye of Cthulhu, Eye of Cthulhu + Demon Eye, Eye of Cthulhu + Green Slime, Eye of Cthulhu + Blue Slime, Eye of Cthulhu + Illuminant Slime, and Eye of Cthulhu + Purple Slime also work.
Did Eye of Cthulhu breeding change in 1.0?
Yes. Its breeding power went from 1,380 in v0.7.3 to 3,100, but all 11 of its old parent pairs still hatch it.
What egg does Eye of Cthulhu hatch from?
Eye of Cthulhu most likely hatches from a Large Dark Egg. No game table we have names each Pal's egg, so it is inferred from the Pal's first element.
On the Normal world preset a Large Dark Egg takes 30 min to hatch before incubator and temperature bonuses.
Breeding data for v1.0.5 (build 25247047). How we check it · Report wrong result