How many passive slots does Mammorest have free?
Mammorest keeps Heavyweight as fixed, leaving 3 of 4 slots for custom passives.
Can Mammorest Get Heavyweight in Palworld 1.0?
Checked against Palworld v1.0.3 · verified 2026-08-23 · Data status
Currently obtainable
Yes. In Palworld v1.0.3, Mammorest can get Heavyweight through currently verified methods: it is a fixed passive. Heavyweight is a fixed passive on Mammorest in v1.0.3; every Mammorest has it. The facts behind this answer are graded B and come from 2 registered sources.
- Reason
- Defense +20%
- Rank
- 2
- Random pool
- Yes
- Other Pals
- 299
- Mammorest breeding recipes
- 774
- Fixed passives on Mammorest
- 1
- Custom slots available
- 3
- Verified evidence claims behind this verdict
- 2
- Mammorest parent pairs carrying Heavyweight
- 774 of 774
Heavyweight breeding route for Mammorest: 774 of 774 parent pairs carry it (Fuack Ignis, Moldron Cryst, Whalaska Ignis, Selyne, Celaray Lux, Dualith Noct, Celesdir Noct, Knocklem, Eidrolon, Solenne, Renjishi, Lyleen, Croajiro, Aegidron, Bastigor, Shaolong, Silvance, Dandilord, Jetragon).
Why
- Heavyweight is a fixed passive on Mammorest in v1.0.3; every Mammorest has it.
How Heavyweight can be acquired on Mammorest in v1.0.3
| Current method | Available for Mammorest? | Note |
|---|---|---|
| Fixed / innate | Yes | Heavyweight is fixed on Mammorest — it is born with it. |
| Random pool (catch or hatch) | No | Heavyweight: no verified rule puts it in the random pool for Mammorest. |
| Implant (Surgery Table) | No | Heavyweight: no verified item method grants it here. |
| Breeding inheritance | No | No verified breeding chain brings Heavyweight to Mammorest. |
| Component | Type | Status | Current method | Blocker / note | Evidence |
|---|---|---|---|---|---|
| Heavyweight | passive skill | Currently obtainable | it is a fixed passive | Heavyweight is a fixed passive on Mammorest in v1.0.3; every Mammorest has it. | B B · 2 sources |
What changed since v0.7.0
| Component | In v0.7.0 | In v1.0.3 |
|---|---|---|
| Heavyweight | Needs verification — | Currently obtainable it is a fixed passive |
Where it stops
- Pals that obtain Heavyweight directly exist in v1.0.3 (Lapure, Leafan, Leezpunk, Leezpunk Ignis and Lifmunk).
- Heavyweight can be inherited through breeding.
- Mammorest has 774 breeding recipes, but none connects to a carrier of Heavyweight.
- 5 of 299 shown
- Currently obtainable
What you can do now
- Obtain Heavyweight through it is a fixed passive.
Evidence & freshness
Sources (2)
- PalCalc database (v27, Palworld 1.0.x) tylercamp and contributors B retrieved 2026-08-23 supports: facts used for Mammorest in v1.0.3 Evidence detail
- Palworld Wiki Cargo data tables palworld.wiki.gg contributors B retrieved 2026-08-23 supports: facts used for Mammorest in v1.0.3 Evidence detail
Related questions
Did this change with Palworld 1.0?
Yes. In v0.7.0 this build answered UNVERIFIED; in v1.0.3 it answers CURRENTLY_OBTAINABLE.
How many sources verify this answer?
2 registered sources, graded B or better and last verified 2026-08-23.
- Target
- Mammorest
- Component
- Heavyweight (passive skill)
- Game version
- Palworld v1.0.3
- Status
- Currently obtainable
- Reason
- it is a fixed passive
- Last verified
- 2026-08-23
- Source
- Still Breedable