Is Impidimp good in Pokemon GO?

Not on its own, but Grimmsnarl is B-tier for Ultra League, so a good copy is worth evolving.

Is Impidimp a good raid attacker?

Impidimp ranks #338 of 363 dark attackers with 4.7 DPS. That is outside the top 15, so it is not a raid priority.

Should I evolve Impidimp?

Grimmsnarl is B-tier for Ultra League. Evolve the copy with the best IVs for that role and transfer spare Impidimp for candy.

Can Impidimp be shiny in Pokemon GO?

Yes. Shiny Impidimp is available from photobomb, research, wild. A shiny is worth keeping for the collection no matter its IVs.

#859 · Generation 8

Impidimp

dark fairy

Max CP (L40 / L50): 807 / 913
Raid catch CP (L20 / L25): 461 / 576
Research CP (L15): 346
Buddy distance: 5 km
2nd charged move: 50,000 dust · 50 candy

Shiny
Shadow
Tradable
Mega
Dynamax

Situational

Impidimp does little on its own, but Grimmsnarl has a niche. Keep one good-IV copy to evolve.

Battle roles

No ranked PvP or raid role.

Worth evolving into

Grimmsnarl
B Ultra League

Collection value

Nothing special: keep one for the Pokedex.

Tiers: S = meta-defining, A = strong, B = playable, C = niche. PvP from PvPoke overall rankings; raids from computed DPS/TDO within each attacking type; Max Battles from GO Hub tier lists.

Base stats

Attack103

Defense69

Stamina128

Base stats. Bars are scaled to the strongest Pokemon in the game.

Weak to

fairy×1.6
poison×1.6
steel×1.6

Resists

dark×0.391
dragon×0.391
psychic×0.391
ghost×0.625

Evolution line

Impidimp
→25 candyMorgrem
→100 candyGrimmsnarl

→ Morgrem: 25 candy

Check your Pokemon's IVs

Ranks all 4,096 spreads for each league

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PvP rankings (GO Battle League)

Not ranked in any PvPoke league (usually because the CP or stats do not fit, or it is unreleased).

Raid attacker rankings

Attacking type	Tier	Rank	DPS	TDO	Best moves
fairy	–	#161 / 184	4.7	27	Bite · Play Rough
dark	–	#338 / 363	4.7	27	Bite · Foul Play

Level 40, 15/15/15, neutral target. DPS = damage per second, TDO = total damage output before fainting. Rank is among every Pokemon using that attacking type.

Moves

Fast move	Type	Raid power	Energy	Duration	DPS	PvP power	PvP energy	Speed
BiteSTAB	dark	6	+4	0.5s	12.0	2	+4	1 turn
Sucker PunchSTAB	dark	5	+6	0.5s	10.0	8	+7	2 turns

Charged move	Type	Raid power	Energy	Duration	Dmg/energy	PvP power	PvP energy
Foul PlaySTAB	dark	70	-50	2.0s	1.40	65	-40
Dark PulseSTAB	dark	80	-50	3.0s	1.60	80	-45
Play RoughSTAB	fairy	90	-50	3.0s	1.80	90	-60

Questions people ask

Is Impidimp good in Pokemon GO?: Not on its own, but Grimmsnarl is B-tier for Ultra League, so a good copy is worth evolving.
Should I keep or transfer Impidimp?: Impidimp does little on its own, but Grimmsnarl has a niche. Keep one good-IV copy to evolve.
Is Impidimp a good raid attacker?: Impidimp ranks #338 of 363 dark attackers with 4.7 DPS. That is outside the top 15, so it is not a raid priority.
Should I evolve Impidimp?: Grimmsnarl is B-tier for Ultra League. Evolve the copy with the best IVs for that role and transfer spare Impidimp for candy.
Can Impidimp be shiny in Pokemon GO?: Yes. Shiny Impidimp is available from photobomb, research, wild. A shiny is worth keeping for the collection no matter its IVs.

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Verdict: Situational