Stats & Training
Attack and HP carry most of Zweilous's stat budget. Speed's the obvious dump stat. Tough to catch and yields 2 Attack EVs. Follows a slow 1.25M XP grind.
The two heads do not get along at all. If you don’t give each head the same amount of attention, they’ll begin fighting out of jealousy.
The two heads have different likes and dislikes. Because the heads fight with each other, Zweilous gets stronger without needing to rely on others.
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.
| Damage | Types |
|---|---|
| 4x (Critical) | Fairy |
| 2x (Weak) | Ice, Fighting, Bug, Dragon |
| 0.5x (Resist) | Fire, Water, Electric, Grass, Ghost, Dark |
| 0x (Immune) | Psychic |
Primarina WaterFairy | A | |
Available Moves Moves
Damage vs Zweilous View Primarina builds →Moonblast 4x239-282%KO Disarming Voice 4x104-122%KO | ||
Hydreigon DarkDragon | A | |
Available Moves Moves
Damage vs Zweilous View Hydreigon builds →Outrage 2x130-153%KO Dragon Rush 2x109-129%KO Dragon Pulse 2x107-127%KO Dragon Breath 2x76-90% | ||
Carbink RockFairy | C | |
Ribombee BugFairy | C | |
Available Moves Moves
Damage vs Zweilous View Ribombee builds →Pollen Puff 2x90-106%KO Bug Buzz 2x90-106%KO Dazzling Gleam 4x159-188%KO Silver Wind 2x61-71% | ||
Cottonee GrassFairy | D | |
In Sun & Moon, Garchomp's Earthquake hits Zweilous for 77-91%.
Volcarona BugFire | A | |
Recommended Build AbilityFlame Body ItemLeftovers NatureTimid Moves
Damage vs Zweilous View Volcarona builds →Giga Drain20-24% | ||
Garchomp DragonGround | A | |
Recommended Build AbilityRough Skin ItemRocky Helmet NatureJolly Moves
Damage vs Zweilous View Garchomp builds →Earthquake77-91% Stone Edge52-61% | ||
Klefki SteelFairy | B | |
Recommended Build AbilityPrankster ItemLeftovers NatureBold Moves View Klefki builds →
| ||
Hawlucha Fighting | B | |
Recommended Build AbilityUnburden ItemElectricseed NatureAdamant Moves
Damage vs Zweilous View Hawlucha builds →Acrobatics37-44% High Jump Kick 2x173-204%KO | ||
Weavile DarkIce | B | |
Recommended Build AbilityPressure ItemChoice Band NatureJolly Moves
Damage vs Zweilous View Weavile builds →Knock Off35-42% Ice Shard 2x87-103%KO Pursuit22-26% | ||
Sun & Moon Evolution
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
Breeding
Breed with Zweilous to get Deino eggs using 57 partners from the Dragon egg group. Notable egg moves include Assurance, Astonish, Dark Pulse and 7 more.
Sun & Moon Zweilous Best Moveset
Best Build
No build content available for this Pokemon in Gen 7.
Try selecting a different game/generation filter, or check back later.
Moves
The egg pool carries weight here. Assurance and Astonish aren't available any other way for Zweilous, and they meaningfully change what it threatens. Stack those on top of Draco Meteor and Outrage for solid options.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Reminder Moves
Transfer Moves
How to Get Zweilous in Sun & Moon
Can't catch Zweilous directly. Start with Deino at moderate rates from the locations below, then evolve at level 50. The 2-stage line from Deino to Zweilous is where the leveling time goes.
How to Obtain Zweilous in Sun & Moon
Step 1Catch DeinoTen Carat Hill - InsideSunGrass Lv.13EarlyIsland Scan (Tuesday)Ten Carat Hill - InsideMoonGrass Lv.13EarlyIsland Scan (Tuesday)
Step 2Zweilous ✓
Zweilous 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 Sun & 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.
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.
Click a game to view version-specific details
- Gen 1Y
Yellow - Gen 1RB

Red & Blue - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RS

Ruby & Sapphire - Gen 3FRLG

FireRed & LeafGreen - Gen 3E
Emerald - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 4DP

Diamond & Pearl - Gen 5BWDebut

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XY

X & Y - Gen 6ORAS

Omega Ruby & Alpha Sapphire - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7SM

Sun & Moon - Gen 7LGPE

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8PLA
Legends: Arceus - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves