Special
Balanced
303Low
30Very Slow
DTier

Yamask sits at the start of its evolution line — not yet at full power, but that changes fast. Most trainers push through to Cofagrigus as fast as possible. Normal and Fighting moves can't touch it, and only 2 types hit it super-effectively. Known as the Spirit Pokemon.

Defense and Sp. Def carry most of Yamask's stat budget. Attack's the obvious dump stat. Common in the wild and yields 1 Defense EV. Follows a medium-fast 1M XP curve.

Base Stats
303Avg
HP38
F
Attack30
F
Defense85
C
Sp. Atk55
D
Sp. Def65
C
Speed30
F
Total303
Low <60
Avg 60-89
High 90-149
Top 150+
EV YieldDefeating Yamask yields +1 Def
HPAtkDef+1SpASpDSpe
Details
Catch190EasyMedium Fast1M XP0.5m / 1'08"1.5kg / 3.3 lbs61Base XP
Pokedex Entries

A clay slab with cursed engravings took possession of a Yamask. The slab is said to be absorbing the Yamask’s dark power.

Sword

It’s said that this Pokémon was formed when an ancient clay tablet was drawn to a vengeful spirit.

Shield

Yamask Weakness

Excellent

Type-wise, Yamask takes extra damage from Ghost and Dark. Normal and Fighting moves do nothing thanks to a full immunity.

4xCriticali
None
2xWeaki
½xResisti
¼xResisti
None
STAB (2)i
2Weak
2Resist
2Immune
Scorei+4
SpikesGrounded — up to 25%
Toxic SpikesVulnerable
Abilities
MummyChanges attacking Pokémon's abilities to Mummy on contact.

One evolution ahead. Yamask grows into Cofagrigus through a straightforward two-stage chain. A decent partner pool for breeding via two egg groups. Eggs are average hatch time. Evolving adds up to 180 stat points total.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Yamask
Ghost
HP
38
58+20
ATK
30
50+20
DEF
85
145+60
SP.ATK
55
95+40
SP.DEF
65
105+40
SPE
30
30
BST
303D-Tier
483C-Tier+180
ROLE
Balanced
Trick Room
TYPE
Special
Special
Breeding
Very Easy

Breed Yamask easily with 43 breeding partners from the Indeterminate and Mineral egg groups. Pass egg moves like Memento to offspring.

Egg Groups
IndeterminateMineral
Gender
50.0%50.0%
Hatch Time
25 cycles·6,425 steps
Moderate~6 min with Flame Body
Egg Moves
1moves
Breed With (best first)
gardevoirgalladepolteageistavaluggalcremieglaliefroslasscrustleferrothorngastrodonstunfisktrevenant

Best Build

No build content available for this Pokemon in Gen 8.

Try selecting a different game/generation filter, or check back later.

Leveling does the heavy lifting. Yamask picks up Energy Ball and Psychic along the way, building toward a complete offensive set. TMs add Dark and Grass coverage and more, but the foundation's already strong by then.

Level-Up Moves

Lv 1
Astonish
3010015Ghost
Lv 1
Protect+4
10Normal
Lv 4
Haze
30Ice
Lv 8
Night Shade
10015Ghost
Lv 12
Disable
10020Normal
Lv 16
Will-O-Wisp
8515Fire
Lv 20
Crafty Shield+3
10Fairy
Lv 24
Hex
6510010Ghost
Lv 28
Mean Look
5Normal
Lv 32
Grudge
5Ghost
Lv 36
Curse
10Ghost
Lv 40
Shadow Ball
8010015Ghost
Lv 44
Dark Pulse
8010015Dark
Lv 48
Guard Split
10Psychic
Lv 48
Power Split
10Psychic
Lv 52
Destiny Bond
5Ghost

TM Moves

Src
TR83
Ally Switch+2
15Psychic
TM31
Attract
10015Normal
TR49
Calm Mind
20Psychic
TR58
Dark Pulse
8010015Dark
TR26
Endure+4
10Normal
TR65
Energy Ball
9010010Grass
TM39
Facade
7010020Normal
TM47
Fake Tears
10020Dark
TM77
Hex
6510010Ghost
TM44
Imprison
10Psychic
TR46
Iron Defense
15Steel
TR68
Nasty Plot
20Dark
TM57
Payback
5010010Dark
TM25
Protect+4
10Normal
TR11
Psychic
9010010Psychic
TM33
Rain Dance
5Water
TM21
Rest
10Psychic
TM76
Round
6010015Normal
TM19
Safeguard
25Normal
TR33
Shadow Ball
8010015Ghost
TR40
Skill Swap
10Psychic
TR27
Sleep Talk
10Normal
TM24
Snore
5010015Normal
TR20
Substitute
10Normal
TM23
Thief
6010025Dark
TR54
Toxic Spikes
20Poison
TR38
Trick
10010Psychic
TM70
Trick Room-7
5Psychic
TM38
Will-O-Wisp
8515Fire
TM71
Wonder Room
10Psychic
TR69
Zen Headbutt
809015Psychic

Egg Moves

Src
Egg
Memento
10010Dark

Tutor Moves

Src
Tutor
Poltergeist
110905Ghost

2 encounter spots for Yamask at high spawn rates starting from mid-game routes. Best and Earliest sort options below help narrow down your approach based on odds vs. Accessibility.

Best Locations

Route 6
SwordOverworldLv.29-3335%MidRouteAll Weather
EFFORTLESS
Route 6
ShieldOverworldLv.29-3335%MidRouteAll Weather
EFFORTLESS
  • Yamask is meant to evolve into Cofagrigus. At 303 BST, the stats aren't there for competitive play yet. Pre-evolution Pokemon rarely hold up against fully evolved threats.

  • Yamask's biggest threats include Dusknoir (Ghost) and Weavile (Dark), all carrying super-effective STAB moves. Only 2 weaknesses means fewer dedicated counters to worry about. At base 30 Speed, Yamask won't outrun any of these threats so switching to a resist is usually the safer play.

  • Yamask can evolve into Cofagrigus and Galarian Runerigus depending on the method. Yamask is the base form in a 3-stage evolutionary line.

  • Mummy is the go-to ability for Yamask. It changes attacking Pokémon's abilities to Mummy on contact. It's Yamask's only ability.

  • Base 30 Speed is low. Priority moves or Trick Room are the way to go. On offense, Yamask is a special attacker with base 55 Sp. Atk.

  • Yamask appears in 8 games, including Black & White, Black 2 & White 2, and X & Y.

Since debuting in Black & White, Yamask has appeared in 8 titles over 5 generations. Along the way, it received a Galarian form in Generation 8, keeping it relevant across different competitive metas.