Not released in Pokemon GONo trainer can own this one yet.

Mega Froslass is a Legends Z-A Mega with no Pokemon GO release as of 2026-10-03 (hundo-hunter.com, theclick.gg); stats come from Pokebattler's feed. It is left out of default counter lists, boss pickers, tools and the Pokebox; the numbers on this page are what the Game Master gives it.

List checked 2026-10-03. Source: PvPoke gamemaster released:false flags (github.com/pvpoke/pvpoke, snapshot 2026-10-03 03:11:52) cross-checked with onemorecatch.site's unavailable list (updated 2026-10-02) and theclick.gg's Mega list (2026-09-16); PvP-only exclusions (Ditto, Shedinja, Spewpa, Cosmog, Cosmoem) and the stale Mega Camerupt flag corrected by hand.

Mega Froslass counters

#0478Not released in Pokemon GO

ice ghostMega Legendary

Lobby CP

65,923

22,500

Timer

5:00

Attack

240

Defense

165

Difficulty

2.35

Pokebattler scale

Beating Mega Froslass should take 3 trainers with level 40 counters. Caught CP 1,102-1,166 (you catch Froslass).

Weak torock1.6xghost1.6xsteel1.6xfire1.6xdark1.6x

Who to bring

IncludeMega Legendary Shadow

Improve your raidweather · friendship · Mega in the lobby · Party Power · Adventure EffectsShow ▾

Weather

★ boosts a type this boss is weak to

No boost Sunny or clear ★Rainy Partly cloudy ★Cloudy Windy Snow ★Fog ★

Friendship

every trainer in the lobby who is your friend

None Good friend (+3%)Great friend (+5%)Ultra friend (+7%)Best friend (+10%)

Mega in the lobby

a Mega boosts every trainer's attacks: 1.3x of its own type, 1.1x of others

Try a Steel Mega — most top counters attack with Steel

Party Power

Party Play: the charged move after a full meter does 2x

Off 2 trainers 3 trainers 4 trainers

Adventure Effects

only these three change a raid

Behemoth Blade (+10% attack)Behemoth Bash (+10% defense)Dynamic Punch+ (+15% attack vs Mega)

Of the game's eleven Adventure Effects only Behemoth Blade (Crowned Sword Zacian), Behemoth Bash (Crowned Shield Zamazenta) and Dynamic Punch+ (Mega Mewtwo X) change a raid; Roar of Time, Spacial Rend, Freeze Shock, Ice Burn, Sunsteel Strike, Moongeist Beam, Future Sight+ and Dynamax Cannon act outside raids. Dynamic Punch+ also breaks two Super Mega shields at once; that part is not simulated. Sources: the full list, Behemoth Blade / Bash, Dynamic Punch+.

Best counters

Mega, Legendary, Shadow · level 40

The best Mega Froslass counters are Mega Delphox, Zamazenta (Crowned Shield), Zacian (Crowned Sword), Necrozma (Dusk Mane), Shadow Reshiram & Shadow Darkrai.

Suggested party of sixat most one Mega

M. Delphox
Zamazenta (Crowned Shield)
Zacian (Crowned Sword)
Necrozma (Dusk Mane)
S. Reshiram
S. Darkrai

3 more Megas ranked inside the top six — a party can hold only one Mega, so the best one stays and the next non-Mega takes the slot.

Ranked by Estimator (trainers needed); small print: time to winOrder byEstimatorOverall %

1Mega DelphoxMegapartyFire Spin / Mystical Fire+2.2210:19
2Zamazenta (Crowned Shield)LegendarypartyMetal Claw / Behemoth Bash2.2510:29
3Zacian (Crowned Sword)LegendarypartyMetal Claw / Behemoth Blade2.3010:42
4Necrozma (Dusk Mane)LegendarypartyMetal Claw / Sunsteel Strike2.3510:56
5Mega HoundoomMegaSnarl / Dark Pulse+2.3711:00
6Mega BlazikenMegaFire Spin / Blast Burn2.6212:11
7Shadow ReshiramShadowLegendarypartyFire Fang / Fusion Flare2.6512:19
8Mega Charizard YMegaFire Spin / Blast Burn2.7612:49
9Shadow DarkraiShadowLegendarypartySnarl / Foul Play2.7612:50
10Mega LucarioMegaBullet Punch / Meteor Mash2.8213:06

More orders under All settings (Sort by). The top 15 in detail.

Build and order a party of six →Plan your raid lobby →

Best from your Pokebox

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The Pokebox saved in this browser · each at its own level, IVs and moves.

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Raid tier — Legendary Mega Raid

Super Mega Legendary Super Mega Primal Mega Legendary Mega Elite Shadow Tier 5 Tier 5 Shadow Tier 3 Tier 3 Shadow Tier 1 Tier 1 Tier 4 Tier 2

Related countersFroslass

Raid alerts…

Top 15 Mega Froslass counters in detail

Click a row for damage per move, breakpoints and the energy cycle. Click a column to sort. All 30 ranked attackers, with every column, are under All settings.

Trainers3small group

#	Attacker	Moveset
1	Mega Delphoxfirepsychicjoint top pick	fireFire SpinfireMystical Fire+	4,783	10:19	2.22	6.0	49.2%
2	Zamazenta (Crowned Shield)fightingsteeljoint top pick	steelMetal ClawsteelBehemoth Bash	4,172	10:29	2.25	5.7	48.4%
3	Zacian (Crowned Sword)fairysteel	steelMetal ClawsteelBehemoth Blade	4,979	10:42	2.30	5.9	47.4%
4	Necrozma (Dusk Mane)psychicsteel	steelMetal ClawsteelSunsteel Strike	4,099	10:56	2.35	6.0	46.4%
5	Mega Houndoomdarkfire	darkSnarldarkDark Pulse+	3,842	11:00	2.37	6.0	46.1%
6	Mega Blazikenfirefighting	fireFire SpinfireBlast Burn	4,161	12:11	2.62	6.0	41.7%
7	Shadow Reshiramdragonfire	fireFire FangfireFusion Flare	4,038	12:19	2.65	6.0	41.2%
8	Mega Charizard Yfireflying	fireFire SpinfireBlast Burn	4,455	12:49	2.76	6.0	39.6%
9	Shadow Darkraidark	darkSnarldarkFoul Play	3,739	12:50	2.76	6.0	39.5%
10	Mega Lucariofightingsteel	steelBullet PunchsteelMeteor Mash	3,826	13:06	2.82	6.0	38.7%
11	Mega Mewtwo Ypsychic	psychicPsycho CutghostShadow Ball	6,428	13:07	2.82	6.0	38.7%
12	Mega Tyranitarrockdark	rockSmack DowndarkBrutal Swing	5,347	13:09	2.83	5.6	38.6%
13	Mega Metagrosssteelpsychic	steelBullet PunchsteelMeteor Mash	4,911	13:13	2.84	6.0	38.4%
14	Shadow Heatranfiresteel	fireFire SpinfireMagma Storm	3,754	13:15	2.85	5.9	38.3%
15	Shadow Metagrosssteelpsychic	steelBullet PunchsteelMeteor Mash	3,791	13:16	2.85	6.0	38.2%

Ordered by Estimator alone, fewest trainers needed first. . The place badge names each row's Overall place on hover.

Times are one trainer with six copies of that attacker, level 40 at 15/15/15, no weather, no friendship, no dodging, Shadow / Mega / Legendary attackers hidden — the same defaults pokebattler.com's own counter pages open with. Open the full counter tool to change any of them. "Details" opens the per-move damage, breakpoints and energy cycle against Mega Froslass.

Estimator is how many trainers of this strength the fight needs. Power is the share of Mega Froslass's HP that six of that attacker remove inside one raid timer, so over 100% means they finish it with time to spare. Faints is how many of the six go down inside that timer.

“Joint top pick”: 2 attackers inside 2.1% of each other — this simulator's own accuracy against pokebattler.com (median 1.6% per attacker), so any of them is the right answer.

Hardest movesets to raid against

The same boss is a different fight depending on what it knows. Each row re-simulates the top 6 counters above against one specific moveset; the list is ordered hardest first, and clicking a row filters the whole page to that moveset — the ranking, the estimator and the share link all follow.

Boss moveset	Win % (3)	Overall	Power	Time to win	Faints	Estimator
Random (any moveset)showing	100%	59%	45.1%	11:15	5.9	2.42
Hex / Shadow Ball	100%	43%	43.8%	11:34	6.0	2.49
Powder Snow / Shadow Ball	100%	45%	44.0%	11:31	6.0	2.48
Powder Snow / Avalanche	100%	63%	44.2%	11:29	6.0	2.47
Hex / Avalanche	100%	58%	44.6%	11:22	6.0	2.44
Hex / Crunch	100%	74%	45.5%	11:09	5.9	2.40
Hex / Triple Axel	100%	70%	45.5%	11:08	6.0	2.40
Powder Snow / Triple Axel	100%	79%	46.0%	11:02	5.9	2.37
Powder Snow / Crunch	100%	80%	46.3%	10:58	5.7	2.36

Measured over the top 6 attackers on the list above rather than by re-ranking the whole roster once per moveset — the ordering is what the table is for, and a full re-rank per moveset would cost ten times the page's whole simulation budget. Win % is the share of runs 3 trainers of those attackers finish inside the raid timer. Overall is Pokebattler's published blend on its own absolute scale (higher is easier), not a percentage of the best row the way the ranked table's Overall column is — which is why an easy boss reads well above 100% here.

Simulating each boss moveset…

Mega Froslass weaknesses and resistances

Every one of the 18 attacking types against this boss's typing. GO multipliers: 1.6x super effective, 2.56x doubly, 0.625x resisted, 0.39x doubly resisted.

rock1.6x ghost1.6x steel1.6x fire1.6x dark1.6x flying1x ground1x water1x grass1x electric1x psychic1x dragon1x fairy1x fighting0.63x poison0.63x bug0.63x ice0.63x normal0.39x

Weak (5)
Neutral (8)
Resists (5)

It resists normal0.39xfighting0.625xpoison0.625xbug0.625xice0.625x— bringing one of those is throwing damage away.

What Mega Froslass throws at you

Its standard movepool, with the damage window a dodge has to beat.

Fast moves

Move	Power	Energy	Duration	Hits at
ghostHexSTAB	8	+13	1.0s	0.80s
icePowder SnowSTAB	6	+15	1.0s	0.85s

Charged moves

Move	Power	Energy	Duration	Hits at
iceAvalancheSTAB	85	-50	2.5s	1.50s
ghostShadow BallSTAB	100	-50	3.0s	2.40s
iceTriple AxelSTAB	60	-33	2.0s	1.50s
darkCrunch	65	-33	3.0s	1.10s

Catch CP

What the encounter after the fight can hand you.

IV spread	CP at L20	CP at L25 (weather boosted)
10/10/10floor	1,102	1,377
11/11/11	1,114	1,393
12/12/12	1,127	1,409
13/13/13	1,140	1,425
14/14/14	1,153	1,441
15/15/15hundo	1,166	1,457

Caught CP range 1,102 - 1,166, or 1,377 - 1,457 when the weather boosts it.

A raid encounter is level 20 (level 25 weather boosted) and cannot roll an IV below 10/10/10. Anything outside the first range is not this raid's reward.

When it is in raids

From the raid schedule, refreshed daily.

Mega Froslass is not on the raid schedule right now. The simulation above is still exact for the tier chosen — any boss can be simulated, current or not.

All settings

Mega Legendary: 22,500 HP, 5:00 timer, boss Attack 240 / Defense 165 (15/15/15 at tier CPM 0.79).

Raid bossAttacker levelAttacker IVsWeatherFriendshipDodgingTrainers in the lobbyMega in the lobbyParty Play trainersBoss fast moveBoss charged moveSort by

Attackers allowed

ShadowMega and PrimalLegendary, Mythical, Ultra BeastLegacy and Elite TM moves

Share these exact settings

Every column, and pokebattler.com's own rank

On a phone the list shows estimator, time to win and faints. Overall, Power, win chance, CP, DPS and TDO appear on a wider screen.

#	Attacker	Moveset	Overall	Power	Est.Estimator	TimeTime to win	Faints	Win % (3)	CP	DPS	TDO
1	Mega Delphox top pickfirepsychicmega Fire Spin / Mystical Fire+	Fire Spin / Mystical Fire++23 more movesets	97%	49.2%	2.22	10:19	27.2	100%	4,783	38.5	941
2	Zamazenta (Crowned Shield) top pickfightingsteel Metal Claw / Behemoth Bash	Metal Claw / Behemoth Bash+7 more movesets	100%	48.4%	2.25	10:29	17.4	100%	4,172	36.9	1417
3	Zacian (Crowned Sword) fairysteel Metal Claw / Behemoth Blade	Metal Claw / Behemoth Blade+7 more movesets	97%	47.4%	2.30	10:42	19.9	100%	4,979	36.5	1244
4	Necrozma (Dusk Mane) psychicsteel Metal Claw / Sunsteel Strike	Metal Claw / Sunsteel Strike+14 more movesets	91%	46.4%	2.35	10:56	28.1	100%	4,099	36.2	909
5	Mega Houndoom darkfiremega Snarl / Dark Pulse+	Snarl / Dark Pulse++17 more movesets	93%	46.1%	2.37	10:60	22.5	100%	3,842	35.6	1053
6	Mega Blaziken firefightingmega Fire Spin / Blast Burn	Fire Spin / Blast Burn+20 more movesets	81%	41.7%	2.62	12:11	31.4	100%	4,161	32.6	823
7	Shadow Reshiram dragonfireshadow Fire Fang / Fusion Flare	Fire Fang / Fusion Flare+9 more movesets	78%	41.2%	2.65	12:19	38.5	100%	4,038	32.5	630
8	Mega Charizard Y fireflyingmega Fire Spin / Blast Burn	Fire Spin / Blast Burn+29 more movesets	75%	39.6%	2.76	12:49	37.1	100%	4,455	31.1	662
9	Shadow Darkrai darkshadow Snarl / Foul Play	Snarl / Foul Play+14 more movesets	75%	39.5%	2.76	12:50	39.0	100%	3,739	31.2	641
10	Mega Lucario fightingsteelmega Bullet Punch / Meteor Mash	Bullet Punch / Meteor Mash+23 more movesets	74%	38.7%	2.82	13:06	34.9	100%	3,826	30.3	720
11	Mega Mewtwo Y psychicmega Psycho Cut / Shadow Ball	Psycho Cut / Shadow Ball+26 more movesets	74%	38.7%	2.82	13:07	36.9	100%	6,428	30.4	667
12	Mega Tyranitar rockdarkmega Smack Down / Brutal Swing	Smack Down / Brutal Swing+15 more movesets	78%	38.6%	2.83	13:09	21.0	100%	5,347	29.5	1154
13	Mega Metagross steelpsychicmega Bullet Punch / Meteor Mash	Bullet Punch / Meteor Mash+15 more movesets	74%	38.4%	2.84	13:13	31.2	100%	4,911	29.9	867
14	Shadow Heatran firesteelshadow Fire Spin / Magma Storm	Fire Spin / Magma Storm+11 more movesets	75%	38.3%	2.85	13:15	29.5	100%	3,754	29.7	944
15	Shadow Metagross steelpsychicshadow Bullet Punch / Meteor Mash	Bullet Punch / Meteor Mash+15 more movesets	72%	38.2%	2.85	13:16	41.2	96%	3,791	30.3	639
16	Mega Mewtwo X psychicfightingmega Psycho Cut / Shadow Ball	Psycho Cut / Shadow Ball+26 more movesets	73%	38.0%	2.87	13:21	35.4	98%	6,112	29.8	716
17	Shadow Tyranitar rockdarkshadow Smack Down / Brutal Swing	Smack Down / Brutal Swing+15 more movesets	73%	37.7%	2.90	13:28	32.1	100%	3,834	29.3	770
18	Mega Absol darkmega Snarl / Brutal Swing	Snarl / Brutal Swing+9 more movesets	69%	37.5%	2.91	13:32	49.1	98%	3,301	29.9	505
19	Shadow Hydreigon darkdragonshadow Bite / Brutal Swing	Bite / Brutal Swing+9 more movesets	68%	36.5%	2.99	13:54	45.7	94%	3,625	28.9	589
20	Shadow Blaziken firefightingshadow Fire Spin / Blast Burn	Fire Spin / Blast Burn+20 more movesets	67%	35.9%	3.04	14:08	47.5	84%	2,848	28.6	533
21	Reshiram dragonfire Fire Fang / Fusion Flare	Fire Fang / Fusion Flare+9 more movesets	68%	35.5%	3.07	14:17	36.7	86%	4,038	27.8	655
22	Mega Diancie rockfairymega Rock Throw / Rock Slide	Rock Throw / Rock Slide+5 more movesets	66%	35.4%	3.08	14:19	44.9	82%	4,346	28.0	585
23	Shadow Emboar firefightingshadow Ember / Blast Burn	Ember / Blast Burn+9 more movesets	66%	35.3%	3.09	14:23	41.4	78%	2,982	27.8	606
24	Shadow Darmanitan (Standard) fireshadow Fire Fang / Overheat	Fire Fang / Overheat+11 more movesets	65%	35.1%	3.10	14:26	51.5	84%	3,105	28.1	469
25	Shadow Ho-Oh fireflyingshadow Steel Wing / Sacred Fire++	Steel Wing / Sacred Fire+++27 more movesets	67%	35.0%	3.12	14:29	37.8	76%	3,863	27.4	639
26	Mega Charizard X firedragonmega Fire Spin / Blast Burn	Fire Spin / Blast Burn+29 more movesets	65%	34.7%	3.15	14:38	42.0	70%	3,850	27.3	587
27	Shadow Dialga steeldragonshadow Metal Claw / Iron Head	Metal Claw / Iron Head+5 more movesets	64%	34.5%	3.16	14:42	46.2	68%	4,038	27.3	527
28	Kyurem (White) dragonice Steel Wing / Fusion Flare	Steel Wing / Fusion Flare+17 more movesets	66%	34.5%	3.16	14:42	36.3	78%	4,605	26.9	657
29	Mega Greninja waterdarkmega Feint Attack / Surf+	Feint Attack / Surf++17 more movesets	66%	34.3%	3.18	14:48	32.8	62%	3,784	26.5	728
30	Shadow Charizard fireflyingshadow Fire Spin / Blast Burn	Fire Spin / Blast Burn+29 more movesets	61%	33.3%	3.27	15:13	54.2	36%	2,889	26.6	442

How accurate is this? Same top pick as pokebattler.com on 26 of 27 lists checked, 90% of its top tens shared; weakest on Mewtwo's default list (7 of 10).

Ranking. Our full ranking against the page pokebattler.com serves for the same boss and settings, on 27 boss and filter combinations read live (2026-10-04): 242 of 270 top-ten places shared, the same #1 on 26. On the six fixed reference bosses (read 2026-10-03): 85% top-ten overlap with its default filters, 83% with Shadow, Mega and Legendary on. A close top three is shown as a tie because the order inside it is below what we can measure.

Time to win. Graded with Pokebattler's own movesets against every boss moveset, average per boss: Tier 1 and 3 +0.1% to +1.2%; Tier 5 −2.9% to +1.3%; Mega −1.1% to +2.6%; Shadow Tier 5 −1.8% to +0.3%. One attacker can be off by more: median 1.6%, worst 15%, RMS per boss moveset 2.05%.

Known weak spots.

Mewtwo (Tier 5, default filters) shares 7 of Pokebattler's top 10: Absol, Incineroar and Salamence sit just outside ours, Polteageist, Cursola and Hisuian Typhlosion just inside.
Groudon (Tier 5, default filters) shares 7 of 10; its Grass and Water counters run 2-6% fast here.
Tier 5 times run about 2-3% fast for attackers that faint often, and 2-3% slow on Mega Charizard Y and Mega Beedrill, whose counters resist the boss.
Tier 1 lists are the least checked: Combee (Tier 1) shares only 3 of Pokebattler's top 10, with Gigalith first here where Pokebattler puts Rhyperior.

Boss-by-boss accuracy report.

Ranked 30 attackers in 1.4 s (50 Monte Carlo runs each, seed 1). The same ranking as JSON: /api/raids/rank.