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

Mega Meganium 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: Hand-checked list as of 2026-10-03 (PvPoke released flags, 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); since 2026-10-05 maintained from official Pokemon GO news debuts and new Game Master species (no PvPoke download).

Mega Meganium counters

#0154Not released in Pokemon GO

grass fairyMega Legendary

Lobby CP

68,601

22,500

Timer

5:00

Attack

229

Defense

195

Difficulty

2.41

Pokebattler scale

Beating Mega Meganium should take 3 trainers with level 40 counters. Caught CP 1,308-1,377 (you catch Meganium).

Weak topoison2.56xflying1.6xsteel1.6xfire1.6xice1.6x

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 Poison Mega — most top counters attack with Poison

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 Meganium counters are Mega Victreebel, Eternatus, Zamazenta (Crowned Shield), Zacian (Crowned Sword), Roserade & Shadow Overqwil.

Suggested party of sixat most one Mega

M. Victreebel
Eternatus
Zamazenta (Crowned Shield)
Zacian (Crowned Sword)
Roserade
S. Overqwil

4 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 VictreebelMegapartyAcid / Acid Spray+2.069:36
2Mega BeedrillMegaPoison Jab / Sludge Bomb2.2610:31
3EternatusLegendarypartyPoison Jab / Sludge Bomb2.3410:53
4Mega RayquazaMegaLegendaryAir Slash / Dragon Ascent2.3811:04
5Zamazenta (Crowned Shield)LegendarypartyMetal Claw / Behemoth Bash2.7112:35
6Mega DelphoxMegaFire Spin / Mystical Fire+2.7112:36
7Zacian (Crowned Sword)LegendarypartyMetal Claw / Behemoth Blade2.7912:58
8RoseradepartyPoison Jab / Sludge Bomb2.8313:10
9Mega GengarMegaLick / Sludge Bomb2.8613:19
10Shadow OverqwilShadowpartyPoison Jab / Sludge Bomb2.9013:28

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

Pokebox

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 countersMeganium

Raid alerts…

Top 15 Mega Meganium 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 Victreebelgrasspoisonjoint top pick	poisonAcidpoisonAcid Spray+	3,505	9:36	2.06	6.0	52.8%
2	Mega Beedrillbugpoison	poisonPoison JabpoisonSludge Bomb	3,383	10:31	2.26	6.0	48.3%
3	Eternatuspoisondragon	poisonPoison JabpoisonSludge Bomb	4,429	10:53	2.34	5.9	46.6%
4	Mega Rayquazadragonflying	flyingAir SlashflyingDragon Ascent	5,713	11:04	2.38	5.9	45.8%
5	Zamazenta (Crowned Shield)fightingsteel	steelMetal ClawsteelBehemoth Bash	4,172	12:35	2.71	6.0	40.3%
6	Mega Delphoxfirepsychic	fireFire SpinfireMystical Fire+	4,783	12:36	2.71	6.0	40.3%
7	Zacian (Crowned Sword)fairysteel	steelMetal ClawsteelBehemoth Blade	4,979	12:58	2.79	6.0	39.1%
8	Roseradegrasspoison	poisonPoison JabpoisonSludge Bomb	2,971	13:10	2.83	6.0	38.5%
9	Mega Gengarghostpoison	ghostLickpoisonSludge Bomb	4,336	13:19	2.86	6.0	38.1%
10	Shadow Overqwildarkpoison	poisonPoison JabpoisonSludge Bomb	2,946	13:28	2.90	6.0	37.7%
11	Shadow Vileplumegrasspoison	poisonAcidpoisonSludge Bomb	2,559	13:39	2.94	6.0	37.1%
12	Mega Staraptorfightingflying	flyingGustflyingBrave Bird+	3,979	13:43	2.95	6.0	37.0%
13	Mega Skarmorysteelflying	steelSteel WingflyingDrill Peck+	3,741	13:49	2.97	6.0	36.7%
14	Shadow Salamencedragonflying	fireFire FangflyingFly	3,749	13:53	2.99	6.0	36.5%
15	Naganadelpoisondragon	poisonPoison JabpoisonSludge Bomb	3,173	13:58	3.00	6.0	36.3%

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 Meganium.

Estimator is how many trainers of this strength the fight needs. Power is the share of Mega Meganium'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.

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	96%	51%	41.9%	12:07	6.0	2.61
Vine Whip / Earthquake	83%	34%	37.5%	13:31	6.0	2.91
Razor Leaf / Earthquake	83%	35%	38.5%	13:10	6.0	2.83
Magical Leaf / Earthquake	83%	37%	39.3%	12:54	6.0	2.78
Razor Leaf / Solar Beam	100%	61%	43.2%	11:44	6.0	2.52
Magical Leaf / Solar Beam	100%	62%	43.3%	11:43	6.0	2.52
Vine Whip / Solar Beam	100%	61%	43.7%	11:36	6.0	2.49
Vine Whip / Petal Blizzard	100%	71%	44.0%	11:32	5.9	2.48
Razor Leaf / Petal Blizzard	100%	70%	44.2%	11:29	6.0	2.47
Magical Leaf / Petal Blizzard	100%	75%	44.2%	11:28	5.9	2.47

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 Meganium 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.

poison2.56x flying1.6x steel1.6x fire1.6x ice1.6x normal1x rock1x bug1x ghost1x psychic1x fairy1x fighting0.63x ground0.63x water0.63x grass0.63x electric0.63x dark0.63x dragon0.39x

Double weak (1)
Weak (4)
Neutral (6)
Resists (7)

It resists dragon0.39xfighting0.625xground0.625xwater0.625xgrass0.625xelectric0.625xdark0.625x— bringing one of those is throwing damage away.

What Mega Meganium throws at you

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

Fast moves

Move	Power	Energy	Duration	Hits at
grassRazor LeafSTAB	13	+7	1.0s	0.60s
grassVine WhipSTAB	6	+5	0.5s	0.25s
grassMagical LeafSTAB	17	+17	1.5s	0.85s

Charged moves

Move	Power	Energy	Duration	Hits at
grassPetal BlizzardSTAB	110	-100	2.5s	1.60s
grassSolar BeamSTAB	180	-100	5.0s	2.80s
groundEarthquake	140	-100	3.5s	2.60s

Catch CP

What the encounter after the fight can hand you.

IV spread	CP at L20	CP at L25 (weather boosted)
10/10/10floor	1,308	1,635
11/11/11	1,321	1,652
12/12/12	1,335	1,669
13/13/13	1,349	1,686
14/14/14	1,363	1,704
15/15/15hundo	1,377	1,721

Caught CP range 1,308 - 1,377, or 1,635 - 1,721 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 Meganium 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 229 / Defense 195 (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 Victreebel grasspoisonmega Acid / Acid Spray+	Acid / Acid Spray++23 more movesets	100%	52.8%	2.06	9:36	21.2	100%	3,505	41.0	1153
2	Mega Beedrill bugpoisonmega Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+23 more movesets	87%	48.3%	2.26	10:31	32.3	100%	3,383	38.1	749
3	Eternatus poisondragon Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+7 more movesets	87%	46.6%	2.34	10:53	22.7	100%	4,429	36.0	1217
4	Mega Rayquaza dragonflyingmega Air Slash / Dragon Ascent	Air Slash / Dragon Ascent+11 more movesets	90%	45.8%	2.38	11:04	14.8	100%	5,713	34.9	1510
5	Zamazenta (Crowned Shield) fightingsteel Metal Claw / Behemoth Bash	Metal Claw / Behemoth Bash+7 more movesets	73%	40.3%	2.71	12:35	30.1	100%	4,172	31.3	808
6	Mega Delphox firepsychicmega Fire Spin / Mystical Fire+	Fire Spin / Mystical Fire++23 more movesets	72%	40.3%	2.71	12:36	35.4	100%	4,783	31.7	680
7	Zacian (Crowned Sword) fairysteel Metal Claw / Behemoth Blade	Metal Claw / Behemoth Blade+7 more movesets	71%	39.1%	2.79	12:58	32.6	100%	4,979	30.6	734
8	Roserade grasspoison Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+29 more movesets	69%	38.5%	2.83	13:10	35.2	100%	2,971	30.1	689
9	Mega Gengar ghostpoisonmega Lick / Sludge Bomb	Lick / Sludge Bomb+31 more movesets	66%	38.1%	2.86	13:19	52.1	66%	4,336	31.4	550
10	Shadow Overqwil darkpoisonshadow Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+9 more movesets	64%	37.7%	2.90	13:28	58.6	68%	2,946	31.2	489
11	Shadow Vileplume grasspoisonshadow Acid / Sludge Bomb	Acid / Sludge Bomb+7 more movesets	65%	37.1%	2.94	13:39	41.5	100%	2,559	29.3	581
12	Mega Staraptor fightingflyingmega Gust / Brave Bird+	Gust / Brave Bird++19 more movesets	67%	37.0%	2.95	13:43	29.9	90%	3,979	28.7	836
13	Mega Skarmory steelflyingmega Steel Wing / Drill Peck+	Steel Wing / Drill Peck++9 more movesets	68%	36.7%	2.97	13:49	26.3	100%	3,741	28.3	892
14	Shadow Salamence dragonflyingshadow Fire Fang / Fly	Fire Fang / Fly+20 more movesets	67%	36.5%	2.99	13:53	28.0	100%	3,749	28.2	821
15	Naganadel poisondragon Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+9 more movesets	62%	36.3%	3.00	13:58	54.0	66%	3,173	30.0	639
16	Necrozma (Dusk Mane) psychicsteel Metal Claw / Sunsteel Strike	Metal Claw / Sunsteel Strike+14 more movesets	65%	36.3%	3.01	13:59	36.5	94%	4,099	28.4	663
17	Shadow Moltres fireflyingshadow Fire Spin / Fly	Fire Spin / Fly+11 more movesets	65%	36.0%	3.03	14:06	31.8	100%	3,465	27.8	732
18	Nihilego rockpoison Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+11 more movesets	60%	35.7%	3.06	14:14	60.6	66%	3,949	29.6	500
19	Mega Charizard Y fireflyingmega Fire Spin / Blast Burn	Fire Spin / Blast Burn+29 more movesets	65%	35.3%	3.09	14:23	27.5	100%	4,455	27.1	852
20	Mega Salamence dragonflyingmega Fire Fang / Fly	Fire Fang / Fly+20 more movesets	65%	34.2%	3.19	14:51	19.2	94%	5,031	25.9	1187
21	Rayquaza dragonflying Air Slash / Dragon Ascent	Air Slash / Dragon Ascent+11 more movesets	63%	34.1%	3.20	14:53	25.6	74%	3,835	26.1	903
22	Kyurem (White) dragonice Ice Fang / Ice Burn	Ice Fang / Ice Burn+17 more movesets	60%	34.0%	3.21	14:54	40.5	58%	4,605	26.7	592
23	Mega Mewtwo Y psychicmega Psycho Cut / Future Sight+	Psycho Cut / Future Sight++26 more movesets	60%	34.0%	3.21	14:55	40.0	60%	6,428	26.6	579
24	Shadow Victreebel grasspoisonshadow Acid / Sludge Bomb	Acid / Sludge Bomb+19 more movesets	56%	33.4%	3.27	15:12	62.8	66%	2,431	27.8	502
25	Shadow Galarian Articuno psychicflyingshadow Psycho Cut / Fly	Psycho Cut / Fly+7 more movesets	59%	33.0%	3.31	15:22	37.8	8%	3,590	25.7	639
26	Shadow Toxicroak poisonfightingshadow Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+19 more movesets	54%	32.7%	3.34	15:32	81.2	54%	2,488	27.7	331
27	Mega Metagross steelpsychicmega Bullet Punch / Meteor Mash	Bullet Punch / Meteor Mash+15 more movesets	58%	32.6%	3.34	15:32	36.9	6%	4,911	25.4	668
28	Victreebel grasspoison Acid / Sludge Bomb	Acid / Sludge Bomb+19 more movesets	57%	32.5%	3.36	15:37	45.9	4%	2,431	25.5	523
29	Scolipede bugpoison Poison Jab / Sludge Bomb	Poison Jab / Sludge Bomb+14 more movesets	57%	32.4%	3.36	15:38	44.3	4%	2,447	25.5	547
30	Mega Blaziken firefightingmega Fire Spin / Blast Burn	Fire Spin / Blast Burn+20 more movesets	48%	29.2%	3.74	17:23	73.0	64%	4,161	24.5	433

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 1.5 s (50 Monte Carlo runs each, seed 1). The same ranking as JSON: /api/raids/rank.