Don’t rebirth at the threshold. Rebirth when the multiplier difference outweighs the cost of re-farming your collection’s equipped team. Polar before Rebirth 1, Volcanic Rift before Rebirth 2, Sky Citadel before Rebirth 3. Batch 3–4 rebirths early game to minimize zone resets.
When & how to rebirth.
Trade your progress for a permanent luck boost that never goes away. Each rebirth costs more Goop and multiplies your luck by 1.82x. Data below reflects the post-May 2 MEGA UPDATE values, verified across 6 independent sources.
Persists vs resets
Persists through rebirth
- +Slime collection (inventory)
- +Gamepasses (2x Luck, Auto Roll)
- +Crafting recipes found
- +Previous rebirth luck multipliers
Resets when you rebirth
- −Coins (reset to 0)
- −Zone progress (back to Grasslands)
- −Equipped slime team
- −Goop (spent on rebirth)
Goop cost per level
| Level | Goop cost | Cumulative | Multiplier | Per level | Status |
|---|---|---|---|---|---|
| 01 | 500 | 500 | 1.82x | — | multi source verified |
| 02 | 1.0K | 1.5K | 3.31x | x1.82 | multi source verified |
| 03 | 2.0K | 3.5K | 6.03x | x1.82 | multi source verified |
| 04 | 4.0K | 7.5K | 10.97x | x1.82 | multi source verified |
| 05 | 8.0K | 15.5K | 19.97x | x1.82 | multi source verified |
| 06 | 16.0K | 31.5K | 36.34x | x1.82 | multi source verified |
| 07 | 32.0K | 63.5K | 66.15x | x1.82 | multi source verified |
Goop doubles each level (500 → 1K → 2K → 4K → 8K). Luck compounds at 1.82x per level — consistent growth rate confirmed across Fandom, Beebom, TechWiser, Gamezebo, Deltia’s and Games.GG.
Rebirth impact
Rebirth multiplies with every other luck source. Free perks = Like (+1) + Group (+1) giving 3x base. Luck Boost = x2 potion. Huge Lucky = x3 passive.
| Tier | Rebirth | + Free (3x) | + Luck Boost | + Huge Lucky |
|---|---|---|---|---|
| No rebirth | 1x | 3.0x | 6.0x | 18.0x |
| R1 | 1.82x | 5.5x | 10.9x | 32.8x |
| R2 | 3.31x | 9.9x | 19.9x | 59.6x |
| R3 | 6.03x | 18.1x | 36.2x | 108.5x |
| R4 | 10.97x | 32.9x | 65.8x | 197.5x |
| R5 | 19.97x | 59.9x | 119.8x | 359.5x |
At Rebirth 5 with Like, Group, Lucky Slime, Huge Lucky, 2x gamepass and Ultra Luck active, your effective luck is roughly 3,235x base — turning a 1-in-1M roll into roughly 1-in-309. Use the luck calculator for your exact stack.