- Attack
- 95
- Defense
- 141
- HP
- 116
100% CP
- Shadow RaidsLv20
- 561
- min 482
- Weather boostLv25
- 701
- min 603
- MaxLv50
- 1,110
- Lv40 982
At a glance
Basics
Shadow Yamask is a Ghost-type Pokémon. Its 100% IV CP is 561 at level 20 (Shadow Raids), 701 at weather-boosted level 25 and up to 1,110 at level 50. It is weak to Ghost/Dark attacks (1.6×). It resists Poison/Bug/Normal/Fighting attacks. In raids, Astonish + Shadow Ball is its strongest moveset (level 40, 100% IVs). It evolves into Shadow Cofagrigus with 50 Candy. As your buddy, it earns 1 Candy every 3 km you walk together.
- Category
- Spirit Pokémon
- Buddy distance
- 3 km
- Second Charged Attack
- 60,000 Stardust · 60 Candy
- Max CP · Lv50 / Lv51 (Best Buddy)
- 1,110 / 1,123
- Shadow modifiers
- Attack ×1.2, Defense ×0.83 in battle (not shown in CP)
Each of them carries a mask that used to be its face when it was human. Sometimes they look at it and cry.
All values are for Pokémon GO; main-series values are not listed. The Pokédex entry is the game's own English text.
Related tips
- Shadow Pokémon: when to purifyShadow Pokémon have 1.2× Attack but also take more damage, and they cost 1.2× Stardust and Candy to power up.
- How to read IVs and appraisalsIVs run from 0 to 15 for each of Attack, Defense and HP, and appraisal stars are set by the sum of the three (0–45).
- What to power up first (power-up priorities for beginners)Stardust is limited, so first power up strong counters you'll use for a long time across many raids.
Best movesetsLv40 · 15/15/15 IVs
- 1
Astonish
Shadow BallBest100% efficiency7.6TDO 90 - 2
Zen Headbutt
Shadow Ball99% efficiency7.5TDO 89 - 3
Zen Headbutt
Ominous Wind83% efficiency6.3TDO 74 - 4
Astonish
Ominous Wind81% efficiency6.2TDO 73 - 5
Zen Headbutt
Dark Pulse77% efficiency5.8TDO 69
Top 5 of 6 movesets.
Raid and Gym efficiency against an ordinary neutral 5-star boss. DPS is damage per second, TDO is total damage dealt before fainting, and efficiency compares (DPS³ × TDO)^¼ with the top moveset. Shadow modifiers (1.2× Attack, 0.83× Defense) are included. Against a specific boss, moves of the types it's weak to do more.
Learnable moves
Fast Attack2
| Moves | Power | Energy | DPS | EPS |
|---|---|---|---|---|
AstonishBestGhost · 1s · STAB | 7 | +13 | 8.4 | 13 |
Zen HeadbuttPsychic · 1s | 11 | +9 | 11 | 9 |
Charged Attack3
| Moves | Power | Energy | DPS | DPE |
|---|---|---|---|---|
Shadow BallBestGhost · 3s · STAB | 100 | 50 | 40 | 2.4 |
Dark PulseDark · 3s | 80 | 50 | 26.7 | 1.6 |
Ominous WindGhost · 2.5s · STAB | 55 | 33 | 26.4 | 2 |
- DPS is damage per second, EPS energy per second and DPE damage per energy. A Charged Attack costing 100 energy uses 1 bar, 50 uses 2 bars and 33 uses 3 bars.
- STAB (same-type attack bonus) applies to moves of the Pokémon's own type, which deal 1.2× damage (included in DPS, DPT and DPE).
Calculate with your Pokémon
Move the sliders or enter a CP and Shadow Yamask's stats, move performance and power-up cost update instantly.
Enter the CP shown in the game to find the closest level for these IVs.
- Actual Attack
- 78.9
- Actual Defense
- 77.7
- Actual HP
- 78
Actual stat = (base stat + IV) × level multiplier. Shadow ×1.2 Attack and ×0.83 Defense are included (not in the in-game CP). Level 51 is the Best Buddy boost.
Move performance at these stats
Zen Headbutt
Shadow BallBest100% efficiencyThis is the best moveset at these stats. That's 74% of the same moveset's DPS at Lv40 with 15/15/15.
Raid calculation against a neutral 5-star boss. * Exclusive moves need an Elite TM.
Power-up cost
- Stardust
- 270,000
- Candy
- 312
- Candy XL
- 0
Lv 20 → 40: 40 power-ups, CP 982 after
Based on the game's power-up cost table. Shadow costs 1.2× and purified 0.9× (rounded up per power-up); Lucky Pokémon pay half the Stardust. Event bonuses are not included.
IV rankings by leagueBy stat product
Shadow Yamask only reaches CP 1,110 at level 50 with 100% IVs, so it can't reach this league's cap. In that case, higher IVs are better.
| Rank | Attack | Defense | HP | Level | CP | vs. #1 |
|---|---|---|---|---|---|---|
| 1 | 15 | 15 | 15 | 50 | 1,110 | 100.0% |
| 2 | 15 | 14 | 15 | 50 | 1,106 | 99.4% |
| 3 | 15 | 15 | 14 | 50 | 1,106 | 99.1% |
| 4 | 14 | 15 | 15 | 50 | 1,100 | 99.1% |
| 5 | 15 | 13 | 15 | 50 | 1,103 | 98.7% |
| 6 | 15 | 14 | 14 | 50 | 1,102 | 98.5% |
| 7 | 14 | 14 | 15 | 50 | 1,096 | 98.5% |
| 8 | 14 | 15 | 14 | 50 | 1,096 | 98.2% |
| 9 | 13 | 15 | 15 | 50 | 1,090 | 98.2% |
| 10 | 15 | 15 | 13 | 50 | 1,101 | 98.2% |
Stat product = Attack × Defense × HP (up to level 50, excluding Best Buddy). It shows how long a Pokémon lasts under the same CP cap and doesn't include move matchups.
EvolutionFrom game data
- Base
- Shadow YamaskViewingBest moves
Astonish
Shadow Ball
- Best moves are the top raid moveset at level 40 with 15/15/15 IVs.
Damage takenGO multipliers
- ×1.6
Ghost
Dark - ×0.625
Poison
Bug - ×0.39
Normal
Fighting
Show all 18 types
Normal×0.39
Fire×1
Water×1
Electric×1
Grass×1
Ice×1
Fighting×0.39
Poison×0.625
Ground×1
Flying×1
Psychic×1
Bug×0.625
Rock×1
Ghost×1.6
Dragon×1
Dark×1.6
Steel×1
Fairy×1
Offensive matchupsBased on learnable moves




Events1 past
No upcoming events are known yet.
- 2023.10.31Spotlight Hour: Yamask · 2× Candy for catches

