Yamask

#561 Sigilyph

#562  -  Yamask

Cofagrigus #563

Normal	Galarian
#562    Yamask Types Ghost Generation   V   Abilities Ability 1 Mummy Rarity Tier   Rare   Catch rate   190/255 (24.84%)   Base stats HP 38 Atk 30 Def 85 Sp.Atk 55 Sp.Def 65 Spd 30 Base-stat total: 303 EV Yield HP 0 Atk 0 Def 1 Sp.Atk 0 Sp.Def 0 Spd 0 EV-yield total: 1 Base Experience   61   Gender Ratio 50% ♂  ·  50% ♀ Height   0.51m   Weight   1.5kg	#000    Galarian Yamask Types Ground Ghost Generation   V   Abilities Ability 1 Wandering Spirit Rarity Tier   Unhuntable   Catch rate   190/255 (24.84%)   Base stats HP 38 Atk 55 Def 85 Sp.Atk 30 Sp.Def 65 Spd 30 Base-stat total: 303 EV Yield HP 0 Atk 0 Def 1 Sp.Atk 0 Sp.Def 0 Spd 0 EV-yield total: 1 Base Experience   61   Gender Ratio 50% ♂  ·  50% ♀ Height   0.5m   Weight   1.5kg

Yamask is a Ghost type Pokémon.

It evolves into Cofagrigus upon reaching level 34.

Obtainability

Spawn Information Temporarily Unavailable

Since 17 July 2026, the public Spawn Dump Page has been temporarily disabled and will remain unavailable for an indefinite period.

Because the Pokémon Revolution Online Wiki relied on this data source, it is currently unable to display spawn locations.

For the time being, please rely on the in-game spawn information instead. Spawn information will return once a public data source becomes available again.

Excavation

Site	Levels	Time period	Required discovery points	Rarity
Haunted Site	15-25	N/A	2,000	Rare

Bosses

• Possible reward from Morty

Moves

Level-up

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Level Move Type Category Base Power Accuracy PP 1 Astonish Ghost Physical 30 100 15 1 Protect Normal Status — — 10 4 Haze Ice Status — — 30 8 Night Shade Ghost Special — 100 15 12 Disable Normal Status — 100 20 16 Will-O-Wisp Fire Status — 85 15 20 Crafty Shield Fairy Status — — 10 24 Hex Ghost Special 65 100 10 25 Ominous Wind Ghost Special 60 100 5 28 Mean Look Normal Status — — 5 32 Grudge Ghost Status — — 5 36 Curse Ghost Status — — 10 40 Shadow Ball Ghost Special 80 100 15 44 Dark Pulse Dark Special 80 100 15 48 Guard Split Psychic Status — — 10 48 Power Split Psychic Status — — 10 52 Destiny Bond Ghost Status — — 5 * Emboldened moves denote this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. All moves subsumed on this list are relearnable via the Move Relearners if lost.

Level Move Type Category Base Power Accuracy PP 1 Astonish Ghost Physical 30 100 15 1 Protect Normal Status — — 10 4 Haze Ice Status — — 30 8 Night Shade Ghost Special — 100 15 12 Disable Normal Status — 100 20 16 Brutal Swing Dark Physical 60 100 20 20 Crafty Shield Fairy Status — — 10 24 Hex Ghost Special 65 100 10 28 Mean Look Normal Status — — 5 32 Slam Normal Physical 80 75 20 36 Curse Ghost Status — — 10 40 Shadow Ball Ghost Special 80 100 15 44 Earthquake Ground Physical 100 100 10 48 Guard Split Psychic Status — — 10 48 Power Split Psychic Status — — 10 52 Destiny Bond Ghost Status — — 5 * Emboldened moves denote this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. All moves subsumed on this list are relearnable via the Move Relearners if lost.

TMs and HMs

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TM Move Type Category Base Power Accuracy PP TM281 Ally Switch Psychic Status — — 15 TM93 Attract Normal Status — 100 15 TM54 Calm Mind Psychic Status — — 20 TM330 Confide Normal Status — — 20 TM76 Dark Pulse Dark Special 80 100 15 TM32 Double Team Normal Status — — 15 TM42 Dream Eater Psychic Special 100 100 15 TM56 Embargo Dark Status — 100 15 TM51 Endure Normal Status — — 10 TM03 Energy Ball Grass Special 90 100 10 TM92 Facade Normal Physical 70 100 20 TM169 Fake Tears Dark Status — 100 20 TM131 Frustration Normal Physical — 100 20 TM184 Hex Ghost Special 65 100 10 TM60 Hidden Power Normal Special 60 100 15 TM196 Imprison Psychic Status — — 10 TM161 Infestation Bug Special 20 100 20 TM299 Iron Defense Steel Status — — 15 TM315 Nasty Plot Dark Status — — 20 TM140 Payback Dark Physical 50 100 10 TM67 Protect Normal Status — — 10 TM113 Psych Up Normal Status — — 10 TM29 Psychic Psychic Special 90 100 10 TM68 Rain Dance Water Status — — 5 TM44 Rest Psychic Status — — 10 TM130 Return Normal Physical — 100 20 TM270 Round Normal Special 60 100 15 TM118 Safeguard Normal Status — — 25 TM133 Secret Power Normal Physical 70 100 20 TM80 Shadow Ball Ghost Special 80 100 15 TM132 Skill Swap Psychic Status — — 10 TM138 Sleep Talk Normal Status — — 10 TM121 Snore Normal Special 50 100 15 TM50 Substitute Normal Status — — 16 TM124 Swagger Normal Status — 90 15 TM165 Telekinesis Psychic Status — — 15 TM96 Thief Dark Physical 60 100 25 TM06 Toxic Poison Status — 90 10 TM294 Toxic Spikes Poison Status — — 20 — Trick Psychic Status — 100 10 TM148 Trick Room Psychic Status — — 5 TM111 Will-O-Wisp Fire Status — 85 15 TM267 Wonder Room Psychic Status — — 10 TM287 Zen Headbutt Psychic Physical 80 90 15 HM05 Flash Normal Status — 100 20 * Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Refer to TMs and HMs for information on each move's obtainability.

TM Move Type Category Base Power Accuracy PP TM281 Ally Switch Psychic Status — — 15 TM54 Calm Mind Psychic Status — — 20 TM76 Dark Pulse Dark Special 80 100 15 TM313 Earth Power Ground Special 90 100 10 TM26 Earthquake Ground Physical 100 100 10 TM51 Endure Normal Status — — 10 TM03 Energy Ball Grass Special 90 100 10 TM299 Iron Defense Steel Status — — 15 TM315 Nasty Plot Dark Status — — 20 TM29 Psychic Psychic Special 90 100 10 TM80 Shadow Ball Ghost Special 80 100 15 TM132 Skill Swap Psychic Status — — 10 TM138 Sleep Talk Normal Status — — 10 TM50 Substitute Normal Status — — 16 TM294 Toxic Spikes Poison Status — — 20 — Trick Psychic Status — 100 10 TM287 Zen Headbutt Psychic Physical 80 90 15 * Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Refer to TMs and HMs for information on each move's obtainability.

Move Tutors

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Move Type Category Base Power Accuracy PP After You Normal Status — — 15 Ally Switch Psychic Status — — 15 Block Normal Status — — 5 Dark Pulse Dark Special 80 100 15 Iron Defense Steel Status — — 15 Knock Off Dark Physical 65 100 25 Magic Coat Psychic Status — — 15 Pain Split Normal Status — — 20 Role Play Psychic Status — — 15 Shock Wave Electric Special 60 — 20 Skill Swap Psychic Status — — 10 Sleep Talk Normal Status — — 10 Snatch Dark Status — — 10 Snore Normal Special 50 100 15 Spite Ghost Status — 100 20 Telekinesis Psychic Status — — 15 Trick Psychic Status — 100 10 Wonder Room Psychic Status — — 10 Zen Headbutt Psychic Physical 80 90 15 * Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Refer to the Move Tutors article for tutorship information for all moves hereon.

Move Type Category Base Power Accuracy PP Poltergeist Ghost Physical 110 90 5 * Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. Refer to the Move Tutors article for tutorship information for all moves hereon.

Egg Moves

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Move Type Category Base Power Accuracy PP Ally Switch Psychic Status — — 15 Crafty Shield Fairy Status — — 10 Disable Normal Status — 100 20 Endure Normal Status — — 10 Fake Tears Dark Status — 100 20 Heal Block Psychic Status — 100 15 Imprison Psychic Status — — 10 Memento Dark Status — 100 10 Nasty Plot Dark Status — — 20 Nightmare Ghost Status — 100 15 Toxic Spikes Poison Status — — 20 * Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. For more information on egg-move-tutors, refer to: Egg Moves.

Move Type Category Base Power Accuracy PP Memento Dark Status — 100 10 * Emboldened moves denote that this Pokémon avails from a STAB bonus for it. Italicized moves are broken; see their individual pages for more information. For more information on egg-move-tutors, refer to: Egg Moves.

Type Effectiveness

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Under normal battle conditions, this Pokémon is: 2× Weak to Ghost Dark Shadow 1× Neutral to Fire Water Electric Grass Ice Ground Flying Psychic Rock Dragon Steel Fairy ½× Resistant to Poison Bug 0× Immune to Normal Fighting	Under normal battle conditions, this Pokémon is: 4× Super-weak to Shadow 2× Weak to Water Grass Ice Ghost Dark 1× Neutral to Fire Ground Flying Psychic Dragon Steel Fairy ½× Resistant to Bug Rock ¼× Highly resistant to Poison 0× Immune to Normal Electric Fighting

Special Counterparts

• Shiny Yamask
  Shiny Yamask