Yamask

GhostMummy

In Exceeded: It is not in any of this guide's encounter tables. Its type (Ghost) and base stats (total 303) are the same as in the official games.

Level-up moves 17

Lv	Move	Type	Cat	Pow	Acc	PP
1	Astonish An attack that may shock the foe into flinching.	Ghost	Phys	30	100	15
1	Protect Evades attack, but may fail if used in succession.	Normal	Stat	—	—	10
7	Disable Psychically disables one of the foe's moves.	Normal	Stat	—	100	20
7	Haze Creates a black haze that eliminates all stat changes.	Ice	Stat	—	—	30
11	Night Shade Damage scales with user base Sp. Attack.	Ghost	Spec	1	90	10
19	Hex Does double damage if the foe has a status problem.	Ghost	Spec	65	100	10
19	Will-O-Wisp Inflicts a burn on the foe with intense fire.	Fire	Stat	—	85	15
20	Crafty Shield Evades status moves for one turn.	Fairy	Stat	—	—	10
25	Ominous Wind A repulsive attack that may raise all stats.	Ghost	Spec	60	100	5
31	Curse A move that functions differently for Ghosts.		Stat	—	—	10
37	Guard Split Averages changes to Defense and Sp. Def with the foe.	Psychic	Stat	—	—	10
37	Power Split Averages changes to Attack and Sp. Atk with the foe.	Psychic	Stat	—	—	10
37	Shadow Ball Hurls a black blob that may lower the foe's Sp. Def.	Ghost	Spec	80	100	15
38	Grudge Attacks with ghost power. Foe's last move has 3 PP cut.	Ghost	Spec	80	100	5
39	Mean Look Fixes the foe with a mean look that prevents escape.	Normal	Stat	—	—	5
44	Dark Pulse Attacks with a horrible aura. May cause flinching.	Dark	Spec	80	100	15
49	Destiny Bond If the user faints, the foe is also made to faint.	Ghost	Stat	—	—	5

* a legal move, just moved to level-up · ** new to this game

TMs & HMs 22

#	Move · where to get it	Type	Pow
TM04	Calm Mind Mossdeep City Gym	Psychic	—
TM06	Toxic Not handed out, sold or hidden anywhere in this game's own map data	Poison	—
TM10	Hidden Power Slateport City	Normal	60
TM17	Protect Lilycove City — Department Store 4F	Normal	—
TM18	Rain Dance Not handed out, sold or hidden anywhere in this game's own map data	Water	—
TM20	Safeguard Lilycove City — Department Store 4F	Normal	—
TM21	Frustration Pacifidlog Town — House 2	Normal	1
TM27	Return Fallarbor Town — Cozmo's House	Normal	1
TM29	Psychic Mauville City — Game Corner	Psychic	90
TM30	Shadow Ball Not handed out, sold or hidden anywhere in this game's own map data	Ghost	80
TM32	Double Team Mauville City — Game Corner	Normal	—
TM34	Shock Wave Mauville City Gym	Electric	60
TM42	Facade Petalburg City Gym	Normal	70
TM43	Secret Power Slateport City	Normal	70
TM44	Rest Lilycove City — House 2	Psychic	—
TM45	Attract Verdanturf Town — Battle Tent Lobby	Normal	—
TM46	Thief Slateport City — Oceanic Museum 1F	Dark	60
TM48	Skill Swap Not handed out, sold or hidden anywhere in this game's own map data	Psychic	—
TM49	Snatch SS Tidal Rooms	Dark	—
TM59	Natural Gift Slateport City	Normal	1
TM66	Headbutt Petalburg Woods	Normal	70
HM05	Flash Granite Cave — 1F	Normal	—

Where to find Yamask

Not found in the wild — evolve or trade for it.

Other changes in this game

Has 3 abilities at once: its one ordinary ability, plus 2 innates always on
Innates (always active): Ethereal, Cursed Body
What the innates do: Ethereal — Ups evasion vs physical. · Cursed Body — Disables moves on contact.
Ability: Mummy — Spreads with contact.
How its abilities arrive: Ethereal, Mummy from the start; Cursed Body at Lv 20
Evolves into Cofagrigus at level 34
Tutor moves: Dream Eater, Endure, Psych Up, Sleep Talk, Snore, Substitute, Swagger
Egg moves: Ally Switch, Crafty Shield, Disable, Endure, Fake Tears, Heal Block, Imprison, Memento, Nasty Plot, Nightmare, Toxic Spikes
Egg groups: Mineral / Amorphous
Catch rate 190