Complete Paldeck•Passive Traits & IVs

Passive Skill & IV Simulator

Calculate 4-trait inheritance odds, cake consumption, and stat pass-down for your breeding pairs.

Best in Slot:

Parent 1 Passives

Up to 4 traits (Male or Female)

Parent 2 Passives

Up to 4 traits (Male or Female)

Inheritance Probability

Odds of hatching a 4-trait perfect offspring

Clean 2+2 Pool

4-Trait Match Probability

10.0%

Expected Cake Cost:~10 Cakes

Confidence Milestones:80%: 16 cakes | 95%: 29 cakes

Flour50

Berries80

Milk70

Eggs80

Honey20

Offspring Trait Distribution

All 4 Desired Passives10.0%

3 Desired Passives20.0%

2 Desired Passives30.0%

1 Desired Passive40.0%

0 Desired / Random Mutation0.0%

Target 4 Goals:4 / 4 Selected

✓ Optimal "Clean 2+2" Setup

Your parents have exactly 4 unique desired traits and 0 unwanted traits. This guarantees the highest mathematical probability (10.0%) of rolling all 4 passives onto the child.

Breeding Engine:Odds based on the open-source PalCalc project

Note: Estimates for the standard Cake. Mutation and special Cakes (Vegetable, Deluxe Vegetable, Special) are not included. Based on the open-source PalCalc project.

Hidden Stat Mechanics

Individual Values (IV) Inheritance Calculator

Estimated Stat Mechanics: Datamined models suggest offspring have an estimated ~30% chance to inherit Parent 1's IV, ~30% from Parent 2, and ~40% random roll.

Max IV: +30% Stat Bonus (100)

Parent 1 IVs (0 - 100)

HP IV:100

Attack IV:100

Defense IV:100

Parent 2 IVs (0 - 100)

HP IV:100

Attack IV:100

Defense IV:100

Triple 100 IV (Perfect)

22.0%

~5 Cakes Required

Double 100 IV

48.2%

~2 Cakes Required

Single 100 IV

87.5%

Almost Guaranteed

Pal Essence Condenser Mechanics

4-Star Condensation & Work Suitability Scaling

Condensing identical bred offspring permanently boosts base stats, elevates Partner Skills, and upgrades all Work Suitability levels by +1.

Total: 116 Bred Copies (116 Cakes)

★ Tier 1 Rank4 Pals

+5% All Stats

Slight boost to Partner Skill effects and combat durability.

★★ Tier 2 Rank16 Pals

+10% All Stats

Cumulative 20 copies total (4 + 16). Mount sprint speed accelerates.

★★★ Tier 3 Rank32 Pals

+15% All Stats

Cumulative 52 copies total. Partner skill level 4 achieved.

★★★★ Max Rank64 Pals

+20% Stats & +1 Work!

+1 Level to ALL Work Suitabilities (e.g. Handiwork 4 → 5, Mining 4 → 5).

Palworld Passive Skills Reference Directory

Complete database of verified base, Sakurajima, and late-game passive skills with exact stat modifiers.

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Need to Breed a Specific Pal First?

Find the shortest multi-generation path from your current Palbox inventory to any endgame goal Pal.

Open Breeding Tree Planner →

Endgame Min-Maxing Guide•Datamined Trait Math

Palworld Passive Skills & IV Breeding Mechanics Explained

Master the mathematical probabilities behind passing down 4-passive god rolls, transferring the Legend trait, inheriting 100% IV stats, and optimizing cake budgets for 4-star condensation.

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How Passive Skill Inheritance Works: Candidate Pool & Odds

In Palworld, breeding for optimal passive traits is not purely random. It is governed by a **two-stage candidate pool roll**:

Candidate Pool Formation: All unique passive skills carried by Parent 1 and Parent 2 are combined into a single trait pool of size k = |P1 ∪ P2|. Duplicate skills across parents do not grant extra weight.
Slot Roll: The game rolls how many passive slots (1 to 4) the offspring will inherit:
- 1 Slot: 40% probability
- 2 Slots: 30% probability
- 3 Slots: 20% probability
- 4 Slots: 10.0% probability

The Clean Parent Optimum

Clean 2+2 or Clean 4+0 Configuration (k = 4, 0 Junk Traits) = Exactly 10.0% Chance

Why Junk Traits Ruin Breeding: If parents have even 1 unwanted passive trait (e.g. Glutton or Coward), the pool expands to k = 5. Because only 4 slots can be filled, your odds of hitting all 4 desired traits crash from 10.0% down to just 4.8%. At k = 6, your odds drop to 2.1%.

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How to Pass Down the Legend Passive Trait to Any Pal

The Legend passive skill is one of the most powerful traits in Palworld, granting +20% Attack, +20% Defense, and +15% Movement Speed. While wild Legend traits naturally spawn only on the four level 50 Legendary Alpha bosses (Jetragon, Frostallion, Paladius, Necromus), it is 100% possible to breed Legend onto any breedable Pal in the game:

1. Cross-Species Lineage Downward

Pair a captured Legendary Pal with a common Pal. The offspring will inherit Legend as an intermediate carrier. For example, breeding Frostallion with Helzephyr creates Frostallion Noct with Legend.

2. Bridging to Mid-Tier Pals

Continue cross-breeding downward using our Breeding Tree Planner until Legend lands on universal parents like Penking, Bushi, or Melpaca to produce a Legend Anubis.

⭐ Lucky (Shiny) Trait Inheritance: Just like Legend, the Lucky passive (+15% Attack, +15% Work Speed) obtained from shiny wild Pals can also be bred down through generations without restriction.

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Individual Values (IV) Stat Inheritance: 60.4% Probability Roll

Every Pal in Palworld has hidden Individual Values (IVs) ranging from 0% to 100% (or 0 to 30 points) in three core attributes: HP, Attack, and Defense. A 100% IV Pal deals 30% more damage and takes significantly less damage than a 0% IV counterpart.

Datamining reveals that when breeding, each stat is rolled independently according to parental values:

Both Parents 100 IV

60.4% Chance

Offspring receives 100 IV

One Parent 100 IV

42.8% Chance

Offspring receives 100 IV

Neither Parent 100 IV

18.2% Chance

Random high roll chance

💡 Strategy: Use the Ability Glasses (unlocked at Ancient Technology Level 34) to view the exact IV percentages of wild captures before selecting them as breeding stock.

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Best Passive Skills Tier List for Combat, Mounts & Base Workers

Selecting the right 4-passive build is the difference between an average Pal and an invincible god roll. Below are the optimal 4-trait loadouts for the three primary roles:

⚔️ Max Attack Boss Slayer

Legend: +20% Atk, +20% Def, +15% Speed
Musclehead: +30% Attack (-50% Work)
Ferocious: +20% Attack
Serenity: +10% Attack, -30% Skill CD

Total: +80% Attack & Rapid Cooldowns

🚀 Ultimate Speed Mount

Swift: +30% Movement Speed
Runner: +20% Movement Speed
Legend: +15% Movement Speed
Nimble: +10% Movement Speed

Total: +75% Flat Movement Speed

🛠️ God Base Worker

Artisan: +50% Work Speed
Work Slave: +30% Work Speed (-30% Atk)
Serious: +20% Work Speed
Nocturnal: Works 24/7 through night

Total: +100% Speed & Zero Sleep Lost

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Palworld Passive Skill Breeding Frequently Asked Questions (FAQ)

Authoritative answers to common questions about traits, candidate pools, and IVs

01.How does passive skill inheritance work in Palworld?▼

When two parent Pals breed, their unique passive traits are combined into a single candidate pool. The game rolls to determine how many passive slots (1 to 4) the offspring will inherit (40% chance for 1 slot, 30% for 2 slots, 20% for 3 slots, 10% for 4 slots). The selected slots are then randomly filled from the candidate pool. Empty slots also have a small ~5% independent chance to mutate into random standard passives.

02.Can the Legend passive trait be passed down to other Pals?▼

Yes! Although the Legend trait naturally spawns only on the 4 wild Legendary Pals (Jetragon, Frostallion, Paladius, and Necromus), it can be bred down to any breedable Pal species in the game through cross-species breeding chains. Once an intermediate child inherits Legend, it can act as a parent to pass the trait further down the lineage.

03.What is the highest probability setup for breeding a perfect 4-passive Pal?▼

The mathematically optimal setup is the Clean 2+2 or Clean 4+0 configuration, where both parents combined have exactly the 4 desired traits and zero unwanted junk traits. This creates a candidate pool size of exactly k = 4, yielding the maximum possible 10.0% probability per egg. Introducing even one unwanted trait increases the pool to k = 5 and cuts the probability down to 4.8%.

04.Can you breed rainbow or tier 3 passives from parents that don't have them?▼

Yes, through random mutations. Every empty passive slot on an egg has an independent ~5% mutation chance to roll any standard passive in the game, including Tier 3 Gold/Rainbow passives like Swift, Musclehead, or Artisan. However, exclusive legendary traits (like Legend or Siren of the Void) cannot mutate randomly and must be inherited directly from a parent carrying them.

05.How do IV stats pass down from parents to offspring?▼

Each stat (HP, Attack, Defense) is rolled independently during breeding. If both parents have 100 IV in a stat, the offspring has a 60.4% chance to inherit 100 IV. If only one parent has 100 IV, the inheritance chance is 42.8%. If neither parent has 100 IV, the offspring has an 18.2% chance to randomly roll an optimal stat.

06.How many total Pals and Cakes are needed to max-condense a Pal?▼

Max-ranking a Pal to 4-Stars using the Pal Essence Condenser requires a total of 116 duplicate Pals (4 for 1-Star, 16 for 2-Stars, 32 for 3-Stars, and 64 for 4-Stars). Since every breeding farm cycle consumes exactly 1 Cake per egg, you will need a minimum of 116 Cakes to complete a 4-star project.

07.What happens if parent Pals have more than 4 combined unique passives?▼

When parents carry more than 4 unique passives combined, the candidate pool becomes bloated (k >= 5). Because the child only has 4 slots, unwanted junk traits compete for selection, drastically diluting the odds of inheriting all 4 desired skills down to 4.8% (at k = 5) or 2.1% (at k = 6).