Grimer (Alola) in Polished Crystal

Poison / Dark — where to catch it, what it learns, and how it differs from the official games.

Compared with the official games

Against the base species it is built from:

Type Poison → Poison / Dark
Abilities gains Gluttony, Corrosion and loses Stench, Sticky Hold

Compared against present-day official data. The Fairy type and hidden abilities arrived after Pokémon Crystal, so a difference here can belong to the series rather than to this hack.

Other changes in this hack

Egg moves: Haze, Lick, Mean Look, Scary Face, Shadow Claw
Wild held items: Black Sludge, Nugget
Catch rate 190
Base experience 90
EV yield: 1 HP
Egg groups: Indeterminate
Growth rate: Medium Fast
Move tutors: Body Slam, Endure, Fire Punch, Ice Punch, Knock Off, Sleep Talk, Swagger, ThunderPunch

Grimer (Alola) in other guides

The same Pokémon, as 5 other hacks change it:

Unbound Emerald Rogue Radical Red Inclement Emerald Emerald Imperium

Where to find Grimer (Alola)

Area	Method	Level
Murky Swamp	Grass (morning/day)	Base−2 to Base+3
Murky Swamp	Grass (morning/day)	Base−2 to Base+3	5% rare
Stormy Beach	Grass (morning/day)	Base−2 to Base+3	5% rare

Level-up moves

Lv	Move	Type	Cat	Pow	Acc	PP
1	Acid	Poison	Spec	40	100	30
1	Tackle A full-body charge attack.	Normal	Phys	40	100	35
4	Defense Curl Raises the user's Defense.	Normal	Stat	—	—	40
7	Bite	Dark	Phys	60	100	25
12	Disable Disables the foe's most recent move.	Normal	Stat	—	100	20
15	Venoshock Damage doubles if foe is poisoned.	Poison	Spec	65	100	10
18	Haze Eliminates all stat changes.	Ice	Stat	—	—	30
21	Minimize Sharply raises the user's evasiveness.	Normal	Stat	—	—	10
26	Feint Attack	Dark	Phys	60	—	20
29	Knock Off Slaps down the foe's held item.	Dark	Phys	65	100	20
32	Crunch	Dark	Phys	80	100	15
37	Screech Sharply lowers the foe's Defense.	Normal	Stat	—	85	40
40	Gunk Shot An attack that may poison the foe.	Poison	Phys	120	80	5
43	Pain Split Adds user & foe's HPs. Shares total.	Ghost	Stat	—	—	20
46	Toxic Spikes Poisons foes when they switch in.	Poison	Stat	—	—	20

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

TMs & HMs (26)

#	Move · where to get it	Type	Pow
TM01	DynamicPunch Chuck	Fighting	100
TM03	Curse Celadon Mansion	Ghost	—
TM06	Toxic Celadon Game Corner	Poison	—
TM09	Venoshock Route 11	Poison	65
TM10	Hidden Power Lake of Rage	Unknown	70
TM11	Sunny Day Celadon Dept. Store	Fire	—
TM17	Protect Goldenrod Dept. Store	Normal	—
TM18	Rain Dance Celadon Dept. Store	Water	—
TM19	Giga Drain Erika	Grass	75
TM27	Return Goldenrod Dept. Store	Normal	1
TM28	Dig National Park	Ground	90
TM30	Shadow Ball Morty	Ghost	80
TM32	Double Team Celadon Game Corner	Normal	—
TM35	Flamethrower Goldenrod Game Corner	Fire	90
TM36	Sludge Bomb Route 43	Poison	90
TM38	Fire Blast Goldenrod Dept. Store	Fire	110
TM41	Substitute Lake of Rage	Normal	—
TM42	Facade Dim Cave	Normal	70
TM44	Rest Dim Cave	Psychic	—
TM45	Attract Whitney	Normal	—
TM46	Thief Team Rocket Base	Dark	60
TM48	Rock Slide Brock	Rock	75
TM64	Explosion Underground	Normal	250
TM66	Poison Jab Janine	Poison	80
TM71	Stone Edge Blue	Rock	100
HM04	Strength Cianwood City	Fighting	80