How to breed Rainbow Slime
Neutral 
Rainbow Slime comes from a special combo: Green Slime + Rainbow Slime. Only these 16 special combos and two Rainbow Slime work.
Easiest way to breed Rainbow Slime
- Parent pairs
- 17
Where to catch Green Slime
Green Slime has no overworld spawn. It appears as a dungeon boss.
- Inside dungeons
Where to catch Cave Bat
Cave Bat has no overworld spawn. It appears as a dungeon boss.
- Inside dungeons
No route works with catches at Lv 40 or lower: every way to Rainbow Slime needs a later parent.
Put the pair in a Breeding Farm with a cake.
To get other passives on the egg, see how passives pass and the odds.
All 17 parent combos
- Special combo
- Special combo
- Special combo
- Special combo
- Special combo
- Special combo
- Special combo
- Special combo
All 17 pairs
All 16 pairs of other species include a Neutral Pal and 3 a Fire 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 + Cave Bat | Dungeon boss parent | Special combo |
| Blue Slime + Illuminant Bat | Dungeon boss parent | Special combo |
| Blue Slime + Rainbow Slime | Special combo | |
 | ||
| Cave Bat + Green Slime | Dungeon boss parent | Special combo |
| Cave Bat + Illuminant Slime | Dungeon boss parent | Special combo |
| Cave Bat + Rainbow Slime | Special combo | |
| Cave Bat + Red Slime | Dungeon boss parent | Special combo |
 | ||
| Enchanted Sword + Rainbow Slime | Special combo | |
 | ||
| Green Slime + Illuminant Bat | Dungeon boss parent | Special combo |
| Green Slime + Rainbow Slime | Special combo | |
 | ||
| Illuminant Bat + Illuminant Slime | Dungeon boss parent | Special combo |
| Illuminant Bat + Rainbow Slime | Special combo | |
| Illuminant Bat + Red Slime | Dungeon boss parent | Special combo |
 | ||
| Illuminant Slime + Rainbow Slime | Special combo | |
 | ||
| Purple Slime + Rainbow Slime | Special combo | |
| | ||
| Rainbow Slime + Rainbow Slime | Same species | |
| Rainbow Slime + Red Slime | Special combo | |
Special combo
Green Slime + Rainbow Slime always gives Rainbow Slime, whatever the parents' breeding power.
Green Slime + Cave Bat always gives Rainbow Slime, whatever the parents' breeding power.
Green Slime + Illuminant Bat always gives Rainbow Slime, whatever the parents' breeding power.
Blue Slime + Rainbow Slime always gives Rainbow Slime, whatever the parents' breeding power.
Blue Slime + Cave Bat always gives Rainbow Slime, whatever the parents' breeding power.
Blue Slime + Illuminant Bat always gives Rainbow Slime, whatever the parents' breeding power.
Illuminant Slime + Rainbow Slime always gives Rainbow Slime, whatever the parents' breeding power.
Illuminant Slime + Cave Bat always gives Rainbow Slime, whatever the parents' breeding power.
Illuminant Slime + Illuminant Bat always gives Rainbow Slime, whatever the parents' breeding power.
Purple Slime + Rainbow Slime always gives Rainbow Slime, whatever the parents' breeding power.
Rainbow Slime + Enchanted Sword always gives Rainbow Slime, whatever the parents' breeding power.
Rainbow Slime + Cave Bat always gives Rainbow Slime, whatever the parents' breeding power.
Rainbow Slime + Illuminant Bat always gives Rainbow Slime, whatever the parents' breeding power.
Red Slime + Rainbow Slime always gives Rainbow Slime, whatever the parents' breeding power.
Red Slime + Cave Bat always gives Rainbow Slime, whatever the parents' breeding power.
Red Slime + Illuminant Bat always gives Rainbow Slime, whatever the parents' breeding power.
Egg and incubation
- Egg
- Common 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 | 2 min 30 s |
| Normal | 5 min |
| Hard | 10 min |
| Old dedicated server default | 6 h |
Hatch time rule Datamined codeDerived from the game code, not from a data table.
Before incubator and temperature bonuses. A Normal egg takes the Huge egg time divided by 12.
Rainbow Slime can't be caught in the wild
Rainbow Slime has no wild, alpha or fishing spawn. Outside breeding it comes from a dungeon boss.
Rainbow Slime is a Terraria crossover Pal that appears in dungeons.
What Rainbow Slime breeds into 110 Pals
The most searched of the 110 Pals Rainbow Slime can hatch, each with its easiest partner. The rarest ones are on the Rainbow Slime page.
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with
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with
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with
Changed in 1.0
- Breeding power
- 1,320 → 3,100
- Old pairs that changed
- 0 of 17
FAQ
How do you breed Rainbow Slime?
Breed Green Slime with Cave Bat. It is the easiest of 17 parent pairs: Green Slime is obtainable only as a dungeon boss and Cave Bat only as a dungeon boss.
Did Rainbow Slime breeding change in 1.0?
Yes. Its breeding power went from 1,320 in v0.7.3 to 3,100, but all 17 of its old parent pairs still hatch it.
What egg does Rainbow Slime hatch from?
Rainbow Slime most likely hatches from a Common 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 Common Egg takes 5 min to hatch before incubator and temperature bonuses.
Breeding data for v1.0.5 (build 25247047). How we check it · Report wrong result