Encounter locations
| Region | Location | Method | Level |
|---|---|---|---|
| Unova | Relic Castle (zone 160) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 19–22 |
| Unova | Relic Castle (zone 161) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 19–22 |
| Unova | Relic Castle (zone 189) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 19–22 |
| Unova | Relic Castle (zone 190) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 19–22 |
This Pokémon is eligible for Mirage Rifts. Each opening rolls its own pool, so check active portals on the Town Map.
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 38
- Attack
- 30
- Defense
- 85
- Sp. Attack
- 55
- Sp. Defense
- 65
- Speed
- 30
Abilities · Mummy
Evolution and forms
- Into Cofagrigus · Level 34
Other forms · Galarian Yamask
Level-up moves
View level-up moves for Yamask
| Level | Move |
|---|---|
| 1 | Astonish |
| 1 | Protect |
| 4 | Haze |
| 8 | Night Shade |
| 12 | Disable |
| 16 | Will O Wisp |
| 20 | Crafty Shield |
| 24 | Hex |
| 28 | Mean Look |
| 32 | Grudge |
| 36 | Curse |
| 40 | Shadow Ball |
| 44 | Dark Pulse |
| 48 | Power Split |
| 48 | Guard Split |
| 52 | Destiny Bond |