Physical
Balanced
58Speed · Slow

Is Zweilous Good in Ultra Sun & Ultra Moon Playthrough?

Dark/Dragon still waiting for level 64. AbilityHustle makes attacks miss frequently. A frustrating middle stage with a distant payoff. Most players finish the game with Zweilous, not Hydreigon.

StrongGoodEvenToughBadETEETEEEEEGTEGEEZweilousTradeIlimaTrial 1HalaKahuna 1LanaTrial 2KiaweTrial 3MallowTrial 4OliviaKahuna 2SophoclesTrial 5AcerolaTrial 6NanuKahuna 3MinaTrial 7HapuKahuna 4MolayneE4OliviaE4AcerolaE4KahiliE4HydreigonEvolveKukuiChamp*
Ilima
Trial 1
Even

Deino trades roughly evenly with Ilima's team.

Even
Gumshoos
Lv 12
Normal
Stakeout
Super FangBiteLeerScary Face
You Win
Yungoos
Lv 10
Normal
Stakeout
LeerTacklePursuitOdor Sleuth
Hala
Kahuna 1
Tough

Hala's team hits Zweilous's weaknesses hard.

Risky
Hariyama
Lv 63
Fighting
Thick Fat
Fake OutClose CombatKnock OffHeavy Slam
Risky
Machamp
Lv 63
Fighting
Guts
Cross ChopThunder PunchIce PunchFire Punch
Risky
Bewear
Lv 63
NormalFighting
Fluffy
Hammer ArmBrutal SwingDragon ClawShadow Claw
Risky
Poliwrath
Lv 63
WaterFighting
Water Absorb
WaterfallBrick BreakPoison JabPayback
Even
Crabominable
Lv 63
FightingIce
Iron Fist
Ice HammerClose CombatStone EdgeEarthquake
Lana
Trial 2
Even

Zweilous trades roughly evenly with Lana's team.

Even
Lanturn
Lv 60
WaterElectric
Volt AbsorbImmune to Electric attacks
DischargeHydro PumpThunder WaveIcy Wind
Risky
Cloyster
Lv 60
WaterIce
Skill Link
Spike CannonIcicle CrashSmart StrikeSpikes
Even
Araquanid
Lv 60
WaterBug
Water Bubble
LiquidationLeech LifeCrunchFrost Breath
Kiawe
Trial 3
Even

Deino trades roughly evenly with Kiawe's team.

Even
Alolan Marowak
Lv 22
FireGhost
Intimidate
HexFlame WheelBrick BreakDetect
You Win
Salazzle
Lv 20
PoisonFire
Corrosion
Poison GasVenoshockFlame BurstTorment
Mallow
Trial 4
Tough

Mallow's team hits Deino's weaknesses hard.

Risky
Lurantis
Lv 24
Grass
Leaf Guard
Low SweepX ScissorSolar BladeSynthesis
Even
Kecleon
Lv 22
Normal
Color Change
Sunny DayAncient PowerDizzy PunchScreech
Olivia
Kahuna 2
Even

Deino trades roughly evenly with Olivia's team.

Even
Anorith
Lv 27
RockBug
Battle Armor
Bug BiteSmack DownMetal Claw
You Win
Lileep
Lv 27
RockGrass
Suction Cups
Giga DrainAncient PowerBrine
Even
Lycanroc
Lv 28
Rock
Vital Spirit
BiteRock Tomb
Sophocles
Trial 5
Even

Deino trades roughly evenly with Sophocles's team.

Even
Togedemaru
Lv 33
ElectricSteel
Iron Barbs
Zing ZapSpiky ShieldIron HeadBounce
Risky
Skarmory
Lv 32
SteelFlying
Keen Eye
Stealth RockSteel WingTailwindTorment
Acerola
Trial 6
Even

Deino trades roughly evenly with Acerola's team.

Risky
Mimikyu
Lv 35
GhostFairy
Disguise
Shadow ClawPlay RoughLeech LifeSlash
You Win
Banette
Lv 32
Ghost
Insomnia
ScreechWill O WispFeint AttackCurse
Nanu
Kahuna 3
Even

Deino trades roughly evenly with Nanu's team.

Risky
Sableye
Lv 43
DarkGhost
Keen Eye
Power GemShadow BallFake Out
Even
Krokorok
Lv 43
GroundDark
Intimidate
CrunchAssuranceSwaggerEarthquake
Even
Persian
Lv 44
Normal
Fur Coat
Power GemFake OutDark Pulse
Mina
Trial 7
Even

Zweilous trades roughly evenly with Mina's team.

Risky
Ribombee
Lv 55
BugFairy
Shield Dust
Bug BuzzDraining KissQuiver DanceDazzling Gleam
You Win
Pelipper
Lv 52
WaterFlying
Keen Eye
StockpileScaldSpit UpSeed Bomb
Hapu
Kahuna 4
Good

Zweilous has the type edge here and should clean up Hapu's team.

Even
Golurk
Lv 53
GroundGhost
No Guard
Hammer ArmEarthquakeShadow PunchStealth Rock
Even
Gastrodon
Lv 53
WaterGround
Sticky Hold
Muddy WaterMud BombRecover
You Win
Flygon
Lv 53
GroundDragon
LevitateImmune to Ground attacks
Earth PowerDragon Breath
Even
Mudsdale
Lv 54
Ground
Stamina
Heavy SlamEarthquakeDouble KickPayback
Molayne
Elite Four
Tough

Molayne's team hits Zweilous's weaknesses hard.

Risky
Klefki
Lv 56
SteelFairy
Prankster
SpikesThunder WaveFlash CannonReflect
Risky
Bisharp
Lv 56
DarkSteel
Defiant
Night SlashIron HeadX ScissorMetal Sound
Even
Magnezone
Lv 56
ElectricSteel
Sturdy
Flash CannonThunderboltTri AttackScreech
Risky
Metagross
Lv 56
SteelPsychic
Clear Body
Hammer ArmMeteor MashBullet PunchZen Headbutt
Even
Alolan Dugtrio
Lv 57
GroundSteel
Tangling Hair
EarthquakeIron HeadSucker PunchFissure
Olivia
Elite Four
Even

Zweilous trades roughly evenly with Olivia's team.

Even
Armaldo
Lv 56
RockBug
Battle Armor
Crush ClawX ScissorRock Blast
You Win
Cradily
Lv 56
RockGrass
Suction Cups
Rock TombEnergy BallStealth Rock
Even
Gigalith
Lv 56
Rock
Sand Stream
Stone EdgeBulldozeIron Head
You Win
Probopass
Lv 56
RockSteel
Sturdy
Earth PowerPower GemThunder WaveSandstorm
Even
Lycanroc
Lv 57
Rock
Keen Eye
CrunchStone EdgeCounterRock Climb
Acerola
Elite Four
Good

Zweilous has the type edge here and should clean up Acerola's team.

You Win
Banette
Lv 56
Ghost
Insomnia
Shadow ClawFeint AttackInfestationScreech
You Win
Drifblim
Lv 56
GhostFlying
Aftermath
Ominous WindFocus EnergyAmnesiaBaton Pass
You Win
Dhelmise
Lv 56
GhostGrass
Steelworker
SlamShadow BallEnergy BallWhirlpool
Even
Froslass
Lv 56
IceGhost
Snow Cloak
BlizzardShadow BallConfuse RayIce Shard
You Win
Palossand
Lv 57
GhostGround
Water Compaction
Shadow BallEarth PowerGiga DrainIron Defense
Kahili
Elite Four
Even

Zweilous trades roughly evenly with Kahili's team.

Even
Braviary
Lv 56
NormalFlying
Sheer Force
Crush ClawBrave BirdAir SlashScary Face
Risky
Hawlucha
Lv 56
FightingFlying
Mold Breaker
Flying PressThroat ChopDual ChopPoison Jab
Risky
Mandibuzz
Lv 56
DarkFlying
Big Pecks
Bone RushBrave BirdPunishmentFlatter
Even
Toucannon
Lv 57
NormalFlying
Skill Link
Bullet SeedRock BlastBeak BlastScreech
Kukui
Champion
Even

Hydreigon trades roughly evenly with Kukui's team.

Risky
Alolan Ninetales
Lv 68
IceFairy
Snow Cloak
Dazzling GleamBlizzardIce ShardSafeguard
Even
Braviary
Lv 68
NormalFlying
Keen Eye
Crush ClawBrave BirdWhirlwindTailwind
You Win
Magnezone
Lv 68
ElectricSteel
Sturdy
ThunderboltFlash CannonThunder WaveMirror Coat
You Win
Snorlax
Lv 68
Normal
Thick Fat
Body SlamCrunchHeavy SlamHigh Horsepower
Risky
Primarina
Lv 68
WaterFairy
Torrent
Sparkling AriaMoonblastAqua JetHyper Voice
Trade
Evolves at Lv50 (trade)
Type
DarkDragon

Zweilous cannot be caught in this game. It must be traded in from a compatible game where it appears in the wild. Cross-region trading typically becomes available after defeating the Elite Four. Alternatively, transfer the pre-evolution and level it up to Lv 50.

View Zweilous locations

Evolve Zweilous to Hydreigon
Level 64
Type
DarkDragon

Your Zweilous should hit Level 64 before you reach Kukui, at typical leveling pace.

How to Get Zweilous in Ultra Sun & Ultra Moon

No wild encounters for Zweilous in Ultra Sun & Ultra Moon. Bring Deino over from Black & White, Omega Ruby & Alpha Sapphire, or Scarlet & Violet, then level through the stages. Each step in the chain is laid out below.

How to Obtain Zweilous in USUM

  1. Deino
    Step 1Obtain Deino
    CARTRIDGE TRADE
    Available
    Catch in Sun & Moon via Walking · Ten Carat Hill · Island Scan; Tuesday, then trade to the current game via link cable.
    LATER APPEARANCE
    Not Tradeable
    Appears in Black & White via Walking · Victory Road. Forward-only transfer — no path back to this game from a later one.
    LATER APPEARANCE
    Not Tradeable
    Appears in Omega Ruby & Alpha Sapphire via Walking · Meteor Falls · DexNav chain. Forward-only transfer — no path back to this game from a later one.
    LATER APPEARANCE
    Not Tradeable
    Appears in Sword & Shield via Overworld · Roaring-Sea Caves · All Weather. Forward-only transfer — no path back to this game from a later one.
    LATER APPEARANCE
    Not Tradeable
    Appears in Scarlet & Violet via Overworld · South Province (Area Six). Forward-only transfer — no path back to this game from a later one.
  2. Zweilous
    Step 2Zweilous
  3. Hydreigon
    Step 3Evolve into Hydreigon

Zweilous Weakness

Type-wise, Zweilous takes extra damage from Fairy, Ice, Fighting, Bug, and Dragon. Watch out for Fairy attacks, those deal 4x damage. Psychic moves do nothing thanks to a full immunity. With 6 resistances, the defensive profile is strong.

Zweilous Weakness and Resistance Chart
DamageTypes
4x (Critical)Fairy
2x (Weak)Ice, Fighting, Bug, Dragon
0.5x (Resist)Fire, Water, Electric, Grass, Ghost, Dark
0x (Immune)Psychic

What is Zweilous Weak Against

Vulnerable
5Weak
6Resist
1Immune
Score-3
4xCritical
¼xResist
None
0xImmune

What is Zweilous Strong Against

3Strong
1Resisted
0Immune
Score+2
½xResisted
0xImmune
None

Best Pokemon Against Zweilous

Zweilous Evolutions

Partway through Deino's chain. Zweilous still has another evolution ahead before reaching Hydreigon. For breeding, takes forever to hatch with plenty of partners via one egg group. HP has grown the most so far (+20), but there's still another 180 stats to gain in the final evolution. View every chain in the Evolution Chart.

How to Evolve

3 Forms
Stat Comparison 3 Stages
Deino
DarkDragon
Zweilous
DarkDragon
Hydreigon
DarkDragon
HP
52
72+20
92+20
ATK
65
85+20
105+20
DEF
50
70+20
90+20
SP.ATK
45
65+20
125+60
SP.DEF
50
70+20
90+20
SPE
38
58+20
98+40
BST
300C-Tier
420C-Tier+120
600B-Tier+180
ROLE
Balanced
Balanced
Wallbreaker
TYPE
Physical
Physical
Special

Breeding

Moderate

Breed with Zweilous to get Deino eggs using 57 partners from the Dragon egg group. Notable egg moves include Assurance, Astonish, Belch and 8 more.

Egg Groups
Gender
50.0%50.0%
Hatch Time
40 cycles·10,280 steps
Slow~10 min with Flame Body
Egg Moves
11moves
Breed With (best first)
gyaradoscharizardkingdrasceptileflygonmiloticnoivernaltariascraftydragalgehelioliskarbok

USUM Zweilous Best Moveset

Dark/Dragon at 85 Attack with AbilityHustle. The moveset at mid-stage power cannot compete. Hydreigon one evolution away adds AbilityLevitate, 125 Sp. Atk, and 98 Speed.

Best Build

Experimental
Physical Wallbreaker
Ability
Hustle
Item
Choice BandPOWER
Best Nature for Zweilous

Zweilous best EVs are HP and Attack

EVs

Physical Wallbreaker Moveset

  • CrunchSTAB
  • OutrageSTAB
  • SuperpowerCoverage
  • Zen Headbutt

Moves List

Hard to wall, honestly. Zweilous threatens 11 types beyond its own STAB, with Normal and Ghost standing out. Pair that with Draco Meteor and Outrage and switchins need to think twice.

Level-Up Moves

Lv 1
Bite
C9010025Dark
Lv 1
Double Hit
359010Normal
Lv 1
Dragon Rage
10010Dragon
Lv 1
Focus Energy
D30Normal
Lv 4
Focus Energy
D30Normal
Lv 9
Bite
C9010025Dark
Lv 12
Headbutt
D7010015Normal
Lv 17
Dragon Breath
D9010020Dragon
Lv 20
Roar-6
C20Normal
Lv 25
Crunch
B12010015Dark
Lv 28
Slam
807520Normal
Lv 32
Dragon Pulse
C12710010Dragon
Lv 38
Work Up
C30Normal
Lv 42
Dragon Rush
1507510Dragon
Lv 48
Body Slam
C8510015Normal
Lv 55
Scary Face
10010Normal
Lv 64
Hyper Voice
D9010010Normal
Lv 71
Outrage
B18010010Dragon

TM Moves

TM
TM45
Attract
D10015Normal
TM100
Confide
D20Normal
TM97
Dark Pulse
C12010015Dark
TM32
Double Team
15Normal
TM82
Dragon Tail-6
C909010Dragon
TM42
Facade
D7010020Normal
TM21
Frustration
D10020Normal
TM10
Hidden Power
6010015Normal
TM17
Protect+4
C10Normal
TM77
Psych Up
D10Normal
TM18
Rain Dance
C5Water
TM44
Rest
C10Psychic
TM27
Return
D10020Normal
TM05
Roar-6
C20Normal
TM48
Round
6010015Normal
TM88
Sleep Talk
C10Normal
TM90
Substitute
C10Normal
TM11
Sunny Day
C5Fire
TM87
Swagger
D8515Normal
TM12
Taunt
C10020Dark
TM46
Thief
C9010025Dark
TM73
Thunder Wave
C9020Electric
TM41
Torment
10015Dark
TM06
Toxic
C9010Poison
TM01
Work Up
C30Normal

Egg Moves

Egg
Egg
Assurance
C9010010Dark
Egg
Astonish
3010015Ghost
Egg
Belch
1209010Poison
Egg
Dark Pulse
C12010015Dark
Egg
Double Hit
359010Normal
Egg
Earth Power
D9010010Ground
Egg
Fire Fang
D659515Fire
Egg
Head Smash
C150805Rock
Egg
Ice Fang
D659515Ice
Egg
Screech
8540Normal
Egg
Thunder Fang
D659515Electric

Tutor Moves

Tut
Tutor
Aqua Tail
A909010Water
Tutor
Draco Meteor
C195905Dragon
Tutor
Dragon Pulse
C12710010Dragon
Tutor
Earth Power
D9010010Ground
Tutor
Hyper Voice
D9010010Normal
Tutor
Outrage
B18010010Dragon
Tutor
Shock Wave
6020Electric
Tutor
Snore
D5010015Normal
Tutor
Spite
D10010Ghost
Tutor
Superpower
B1201005Fighting
Tutor
Uproar
D9010010Normal
Tutor
Zen Headbutt
A809015Psychic

Reminder Moves

Rem
Rem
Tackle
D4010035Normal

Base Stats

Base Stats
Above
HP72
C
Attack85
C
Defense70
C
Sp. Atk65
C
Sp. Def70
C
Speed58
D
Total420
Details
Catch Rate
Challenging45 / 255
Growth Rate
Slow1.25M XP
Height1.4 m
Weight50.0 kg
Base XP147
Abilities
Hustle
Strengthens physical moves to inflict 1.5× damage, but decreases their accuracy to 0.8×.
EV Yield
HPAtk+2DefSpASpDSpe
Attack training target

Zweilous Ultra Sun & Ultra Moon Guide

  • Zweilous is meant to evolve into Hydreigon. At 420 BST, the stats aren't there for competitive play yet. Pre-evolution Pokemon rarely hold up against fully evolved threats.

  • In Ultra Sun & Ultra Moon, Zweilous's biggest threats include Gardevoir (Fairy), Kyurem (Ice), and Machamp (Fighting), all carrying super-effective STAB moves. Gardevoir is the most dangerous since Fairy moves deal 4x damage. Bug and Dragon-type attackers are also a problem. With 5 weakness types, most competitive teams carry at least one counter.

  • Hustle is the go-to ability for Zweilous. It strengthens physical moves to inflict 1.5× damage, but decreases their accuracy to 0.8×. It's Zweilous's only ability.

  • At base 58 Speed, it won't be moving first often. On offense, Zweilous is a physical attacker with base 85 Attack. Defensively? Enough bulk to take a hit or two.

  • For Ultra Sun & Ultra Moon, you can run Zweilous through the first few routes without issues. 420 BST won't carry you far though. Get it to Hydreigon as fast as you can.

Game Availability

Zweilous joined the series in Black & White and has been available in 8 titles so far. With 6 generations of appearances, it's established itself despite the later start.

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