A Shadow raid boss hits harder than its normal form (Shadow Frenzy), and the Pokemon you catch afterwards is a Shadow. Purified Gems weaken it mid-fight; the simulation does not use them.
Beating Shadow Swellow should take 1 trainer with level 40 counters. Caught CP 986-1,097.
Weak torock1.6xelectric1.6xice1.6x
Improve your raidweather · friendship · Mega in the lobby · Party Power · Adventure EffectsShow ▾Hide ▴
Weather
★ boosts a type this boss is weak toFriendship
every trainer in the lobby who is your friendMega in the lobby
a Mega boosts every trainer's attacks: 1.3x of its own type, 1.1x of othersParty Power
Party Play: the charged move after a full meter does 2xAdventure Effects
only these three change a raidOf 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+ only counts against a Mega boss, so it changes nothing here. Sources: the full list, Behemoth Blade / Bash, Dynamic Punch+.
Best counters
Mega, Legendary, Shadow · level 40The best Shadow Swellow counters are Mega Mewtwo X, Kyurem (White), Regieleki, Shadow Rampardos, Shadow Thundurus (Therian) & Xurkitree.
M. Mewtwo X
Kyurem (White)
Regieleki
S. Rampardos
S. Thundurus (Therian)
Xurkitree
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 %
- 1
Mega Mewtwo XMegaLegendarypartyPsycho Cut / Dynamic Punch+0.090:16 - 2
Kyurem (White)LegendarypartyIce Fang / Ice Burn0.090:16 - 3
RegielekiLegendarypartyLock-On / Thunder Cage0.090:17 - 4
Mega Mewtwo YMegaLegendaryPsycho Cut / Future Sight+0.090:17 - 5
Mega Raichu YMegaThunder Shock / Volt Tackle0.090:17 - 6
Shadow RampardosShadowpartySmack Down / Rock Slide0.100:17 - 7
Shadow Thundurus (Therian)ShadowLegendarypartyVolt Switch / Thunderbolt0.100:17 - 8
Mega DiancieMegaLegendaryRock Throw / Rock Slide0.100:18 - 9
XurkitreeLegendarypartyThunder Shock / Discharge0.100:18 - 10
Mega ManectricMegaThunder Fang / Wild Charge0.100:18
More orders under All settings (Sort by). The top 15 in detail.
Type a name, then Enter or click a result
Top 15 Shadow Swellow 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.
| # | Attacker | Moveset | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | psychicPsycho CutfightingDynamic Punch+ | 6,112 | 0:16 | 0.09 | 0.0 | 2694.1% | ||
| 2 | iceIce FangiceIce Burn | 4,605 | 0:16 | 0.09 | 0.0 | 2642.1% | ||
| 3 | normalLock-OnelectricThunder Cage | 2,803 | 0:17 | 0.09 | 0.0 | 2634.2% | ||
| 4 | psychicPsycho CutpsychicFuture Sight+ | 6,428 | 0:17 | 0.09 | 0.0 | 2632.2% | ||
| 5 | electricThunder ShockelectricVolt Tackle | 3,780 | 0:17 | 0.09 | 0.0 | 2608.9% | ||
| 6 | rockSmack DownrockRock Slide | 3,298 | 0:17 | 0.10 | 0.1 | 2511.7% | ||
| 7 | electricVolt SwitchelectricThunderbolt | 3,659 | 0:17 | 0.10 | 0.0 | 2492.6% | ||
| 8 | rockRock ThrowrockRock Slide | 4,346 | 0:18 | 0.10 | 0.0 | 2417.4% | ||
| 9 | electricThunder ShockelectricDischarge | 3,937 | 0:18 | 0.10 | 0.0 | 2386.1% | ||
| 10 | electricThunder FangelectricWild Charge | 3,580 | 0:18 | 0.10 | 0.0 | 2356.5% | ||
| 11 | electricThunder ShockelectricVolt Tackle+ | 3,510 | 0:19 | 0.10 | 0.0 | 2326.0% | ||
| 12 | electricThunder ShockelectricWild Charge | 3,079 | 0:19 | 0.10 | 0.0 | 2322.6% | ||
| 13 | rockSmack DownrockRock Wrecker | 3,733 | 0:19 | 0.11 | 0.0 | 2275.3% | ||
| 14 | electricVolt SwitchelectricWildbolt Storm | 3,659 | 0:19 | 0.11 | 0.0 | 2261.1% | ||
| 15 | electricVolt SwitchelectricWild Charge | 3,452 | 0:20 | 0.11 | 0.0 | 2233.3% |
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 Shadow Swellow.
Estimator is how many trainers of this strength the fight needs. Power is the share of Shadow Swellow'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.
Simulating each boss moveset…
Swellow 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.
- Weak (3)
- Neutral (11)
- Resists (4)
It resists ground0.39xghost0.39xbug0.625xgrass0.625x— bringing one of those is throwing damage away.
What Swellow throws at you
Its standard movepool, with the damage window a dodge has to beat.
Fast moves
| Move | Power | Energy | Duration | Hits at |
|---|---|---|---|---|
| steelSteel Wing | 14 | +8 | 1.0s | 0.70s |
| flyingWing AttackSTAB | 10 | +11 | 1.0s | 0.75s |
Charged moves
| Move | Power | Energy | Duration | Hits at |
|---|---|---|---|---|
| flyingBrave BirdSTAB | 130 | -100 | 2.0s | 1.00s |
| flyingSky AttackSTAB | 80 | -50 | 2.0s | 1.50s |
| flyingAerial AceSTAB | 55 | -33 | 2.5s | 2.00s |
Catch CP
What the encounter after the fight can hand you.
| IV spread | CP at L20 | CP at L25 (weather boosted) |
|---|---|---|
| 6/6/6floor | 986 | 1,232 |
| 7/7/7 | 998 | 1,247 |
| 8/8/8 | 1,010 | 1,263 |
| 9/9/9 | 1,022 | 1,278 |
| 10/10/10 | 1,034 | 1,293 |
| 11/11/11 | 1,047 | 1,309 |
| 12/12/12 | 1,059 | 1,324 |
| 13/13/13 | 1,072 | 1,340 |
| 14/14/14 | 1,084 | 1,355 |
| 15/15/15hundo | 1,097 | 1,371 |
Caught CP range 986 - 1,097, or 1,232 - 1,371 when the weather boosts it.
A raid encounter is level 20 (level 25 weather boosted) and cannot roll an IV below 6/6/6 — a Shadow raid's floor is 6, not the usual 10. Anything outside the first range is not this raid's reward.
Shadow raid floor. A Shadow Raid encounter rolls a minimum of 6/6/6, so this band starts at 986, not at the 1,034 a 10/10/10 catch would give. pokebattler.com's own page for a Shadow boss prints that 10/10/10 value as its floor — it is applying the standard-raid rule — so expect its range to start 48 CP higher than this one. LeekDuck's published band agrees with the table above.
When it is in raids
From the raid schedule, refreshed daily.
Swellow 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
Shadow Tier 1: 600 HP, 3:00 timer, boss Attack 119 / Defense 83 (15/15/15 at tier CPM 0.5974).
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 % (1) | CP | DPS | TDO |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mega Mewtwo X top pickpsychicfightingmega Psycho Cut / Dynamic Punch+ | Psycho Cut / Dynamic Punch++26 more movesets | 94% | 2694.1% | 0.09 | 0:16 | 0.0 | 100% | 6,112 | 37.9 | 613 |
| 2 | Kyurem (White) top pickdragonice Ice Fang / Ice Burn | Ice Fang / Ice Burn+17 more movesets | 96% | 2642.1% | 0.09 | 0:16 | 0.0 | 100% | 4,605 | 36.7 | 606 |
| 3 | Regieleki electric Lock-On / Thunder Cage | Lock-On / Thunder Cage+11 more movesets | 98% | 2634.2% | 0.09 | 0:17 | 0.0 | 100% | 2,803 | 39.2 | 648 |
| 4 | Mega Mewtwo Y psychicmega Psycho Cut / Future Sight+ | Psycho Cut / Future Sight++26 more movesets | 100% | 2632.2% | 0.09 | 0:17 | 0.0 | 100% | 6,428 | 40.5 | 670 |
| 5 | Mega Raichu Y electricmega Thunder Shock / Volt Tackle | Thunder Shock / Volt Tackle+35 more movesets | 94% | 2608.9% | 0.09 | 0:17 | 0.0 | 100% | 3,780 | 36.4 | 609 |
| 6 | Shadow Rampardos rockshadow Smack Down / Rock Slide | Smack Down / Rock Slide+5 more movesets | 84% | 2511.7% | 0.10 | 0:17 | 0.1 | 100% | 3,298 | 35.6 | 580 |
| 7 | Shadow Thundurus (Therian) electricflyingshadow Volt Switch / Thunderbolt | Volt Switch / Thunderbolt+9 more movesets | 90% | 2492.6% | 0.10 | 0:17 | 0.0 | 100% | 3,659 | 36.7 | 641 |
| 8 | Mega Diancie rockfairymega Rock Throw / Rock Slide | Rock Throw / Rock Slide+5 more movesets | 84% | 2417.4% | 0.10 | 0:18 | 0.0 | 100% | 4,346 | 33.6 | 599 |
| 9 | Xurkitree electric Thunder Shock / Discharge | Thunder Shock / Discharge+7 more movesets | 85% | 2386.1% | 0.10 | 0:18 | 0.0 | 100% | 3,937 | 33.3 | 609 |
| 10 | Mega Manectric electricmega Thunder Fang / Wild Charge | Thunder Fang / Wild Charge+14 more movesets | 85% | 2356.5% | 0.10 | 0:18 | 0.0 | 100% | 3,580 | 32.5 | 602 |
| 11 | Mega Raichu X electricmega Thunder Shock / Volt Tackle+ | Thunder Shock / Volt Tackle++35 more movesets | 90% | 2326.0% | 0.10 | 0:19 | 0.0 | 100% | 3,510 | 46.3 | 868 |
| 12 | Shadow Electivire electricshadow Thunder Shock / Wild Charge | Thunder Shock / Wild Charge+9 more movesets | 80% | 2322.6% | 0.10 | 0:19 | 0.0 | 100% | 3,079 | 33.1 | 623 |
| 13 | Shadow Rhyperior groundrockshadow Smack Down / Rock Wrecker | Smack Down / Rock Wrecker+15 more movesets | 83% | 2275.3% | 0.11 | 0:19 | 0.0 | 100% | 3,733 | 31.8 | 609 |
| 14 | Thundurus (Therian) electricflying Volt Switch / Wildbolt Storm | Volt Switch / Wildbolt Storm+9 more movesets | 84% | 2261.1% | 0.11 | 0:19 | 0.0 | 100% | 3,659 | 36.1 | 695 |
| 15 | Shadow Raikou electricshadow Volt Switch / Wild Charge | Volt Switch / Wild Charge+9 more movesets | 81% | 2233.3% | 0.11 | 0:20 | 0.0 | 100% | 3,452 | 31.0 | 605 |
| 16 | Shadow Weavile darkiceshadow Ice Shard / Avalanche | Ice Shard / Avalanche+11 more movesets | 69% | 2188.0% | 0.11 | 0:20 | 0.3 | 100% | 3,005 | 31.0 | 516 |
| 17 | Shadow Zapdos electricflyingshadow Thunder Shock / Zap Cannon | Thunder Shock / Zap Cannon+11 more movesets | 80% | 2185.2% | 0.11 | 0:20 | 0.0 | 100% | 3,527 | 32.8 | 653 |
| 18 | Zekrom dragonelectric Charge Beam / Fusion Bolt | Charge Beam / Fusion Bolt+9 more movesets | 83% | 2179.7% | 0.11 | 0:20 | 0.0 | 100% | 4,038 | 30.0 | 600 |
| 19 | Shadow Magnezone electricsteelshadow Spark / Wild Charge | Spark / Wild Charge+15 more movesets | 83% | 2179.7% | 0.11 | 0:20 | 0.0 | 100% | 3,205 | 30.2 | 604 |
| 20 | Shadow Gigalith rockshadow Lock-On / Meteor Beam | Lock-On / Meteor Beam+14 more movesets | 78% | 2174.3% | 0.11 | 0:20 | 0.0 | 100% | 3,228 | 34.6 | 692 |
| 21 | Shadow Thundurus (Incarnate) electricflyingshadow Thunder Shock / Thunder Punch | Thunder Shock / Thunder Punch+7 more movesets | 73% | 2146.4% | 0.11 | 0:20 | 0.0 | 100% | 3,345 | 30.3 | 610 |
| 22 | Zeraora electric Volt Switch / Plasma Fists | Volt Switch / Plasma Fists+9 more movesets | 79% | 2137.0% | 0.11 | 0:20 | 0.0 | 100% | 3,419 | 34.0 | 692 |
| 23 | Mega Ampharos electricdragonmega Charge Beam / Zap Cannon | Charge Beam / Zap Cannon+15 more movesets | 80% | 2128.6% | 0.11 | 0:20 | 0.0 | 100% | 4,245 | 30.0 | 614 |
| 24 | Shadow Mamoswine icegroundshadow Powder Snow / Avalanche | Powder Snow / Avalanche+11 more movesets | 70% | 2121.2% | 0.11 | 0:21 | 0.2 | 100% | 3,328 | 32.4 | 607 |
| 25 | Shadow Luxray electricshadow Spark / Wild Charge | Spark / Wild Charge+14 more movesets | 72% | 2090.2% | 0.12 | 0:21 | 0.0 | 100% | 2,888 | 30.2 | 625 |
| 26 | Shadow Galarian Darmanitan (Standard) iceshadow Ice Fang / Avalanche | Ice Fang / Avalanche+7 more movesets | 66% | 2088.1% | 0.12 | 0:21 | 0.4 | 100% | 3,105 | 32.1 | 521 |
| 27 | Shadow Mewtwo psychicshadow Confusion / Thunderbolt | Confusion / Thunderbolt+23 more movesets | 65% | 1995.5% | 0.12 | 0:22 | 0.3 | 100% | 4,178 | 28.3 | 517 |
| 28 | Mega Rayquaza dragonflyingmega Dragon Tail / Dragon Ascent | Dragon Tail / Dragon Ascent+11 more movesets | 70% | 1992.4% | 0.12 | 0:22 | 0.0 | 100% | 5,713 | 30.7 | 675 |
| 29 | Shadow Magneton electricsteelshadow Volt Switch / Zap Cannon | Volt Switch / Zap Cannon+19 more movesets | 71% | 1981.5% | 0.12 | 0:22 | 0.0 | 100% | 2,485 | 28.1 | 618 |
| 30 | Shadow Tyrantrum rockdragonshadow Rock Throw / Meteor Beam | Rock Throw / Meteor Beam+17 more movesets | 67% | 1956.1% | 0.12 | 0:22 | 0.1 | 100% | 3,128 | 30.6 | 664 |
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%.
- 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.
This boss on pokebattler.com (its Shadow boss page; the ordinary boss's page is a different, easier fight). Boss-by-boss accuracy report.
Ranked 30 attackers in 0.1 s (50 Monte Carlo runs each, seed 1). Same boss on pokebattler.com. The same ranking as JSON: /api/raids/rank.