Zweilous
#634 in the X and Y Pokédex • Hostile Pokémon
Pokémon X
The two heads do not get along. Whichever head eats more than the other gets to be the leader.
Pokémon Y
After it has eaten up all the food in its territory, it moves to another area. Its two heads do not get along.
Pokédexes
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
| Pokémon | Requires | Evolution |
|---|---|---|
 Deino #633 | Level 50 |  Zweilous #634 |
Zweilous #634 | Level 64 |  Hydreigon #635 |
Pokémon X
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Victory Road Victory Road (unknown area 322) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 322) | Walking in tall grass or a cave | 59 | 1% | - |
Victory Road Victory Road (unknown area 324) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 324) | Walking in tall grass or a cave | 59 | 1% | - |
Victory Road Victory Road (unknown area 326) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 326) | Walking in tall grass or a cave | 59 | 1% | - |
Victory Road Victory Road (unknown area 328) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 328) | Walking in tall grass or a cave | 59 | 1% | - |
Pokémon Y
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Victory Road Victory Road (unknown area 322) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 322) | Walking in tall grass or a cave | 59 | 1% | - |
Victory Road Victory Road (unknown area 324) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 324) | Walking in tall grass or a cave | 59 | 1% | - |
Victory Road Victory Road (unknown area 326) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 326) | Walking in tall grass or a cave | 59 | 1% | - |
Victory Road Victory Road (unknown area 328) | Walking in tall grass or a cave | 59 | 4% | - |
Victory Road Victory Road (unknown area 328) | Walking in tall grass or a cave | 59 | 1% | - |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Bite |  |  Physical | 60 | 100 | 25 | The target is bitten with viciously sharp fangs. This may also make the target flinch. |
| Start | Dragon Rage |  |  Special | - | 100 | 10 | This attack hits the target with a shock wave of pure rage. This attack always inflicts 40 HP damage. |
| Start | Focus Energy |  |  Status | - | - | 30 | The user takes a deep breath and focuses so that critical hits land more easily. |
| Start | Double Hit | | Physical | 35 | 90 | 10 | The user slams the target with a long tail, vines, or a tentacle. The target is hit twice in a row. |
| 4 | Focus Energy | | Status | - | - | 30 | The user takes a deep breath and focuses so that critical hits land more easily. |
| 9 | Bite | | Physical | 60 | 100 | 25 | The target is bitten with viciously sharp fangs. This may also make the target flinch. |
| 12 | Headbutt | | Physical | 70 | 100 | 15 | The user sticks out its head and attacks by charging straight into the target. This may also make the target flinch. |
| 17 | Dragon Breath | | Special | 60 | 100 | 20 | The user exhales a mighty gust that inflicts damage. This may also leave the target with paralysis. |
| 20 | Roar | | Status | - | - | 20 | The target is scared off, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon. |
| 25 | Crunch | | Physical | 80 | 100 | 15 | The user crunches up the target with sharp fangs. This may also lower the target’s Defense stat. |
| 28 | Slam | | Physical | 80 | 75 | 20 | The target is slammed with a long tail, vines, or the like to inflict damage. |
| 32 | Dragon Pulse | | Special | 85 | 100 | 10 | The target is attacked with a shock wave generated by the user’s gaping mouth. |
| 38 | Work Up | | Status | - | - | 30 | The user is roused, and its Attack and Sp. Atk stats increase. |
| 42 | Dragon Rush | | Physical | 100 | 75 | 10 | The user tackles the target while exhibiting overwhelming menace. This may also make the target flinch. |
| 48 | Body Slam | | Physical | 85 | 100 | 15 | The user drops onto the target with its full body weight. This may also leave the target with paralysis. |
| 55 | Scary Face | | Status | - | 100 | 10 | The user frightens the target with a scary face to harshly lower its Speed stat. |
| 64 | Hyper Voice | | Special | 90 | 100 | 10 | The user lets loose a horribly echoing shout with the power to inflict damage. |
| 71 | Outrage | | Physical | 120 | 100 | 10 | The user rampages and attacks for two to three turns. The user then becomes confused. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| HM04 | Strength | | Physical | 80 | 100 | 15 | The target is slugged with a punch thrown at maximum power. This can also be used to move heavy boulders. |
| TM05 | Roar | | Status | - | - | 20 | The target is scared off, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon. |
| TM06 | Toxic |  | Status | - | 90 | 10 | A move that leaves the target badly poisoned. Its poison damage worsens every turn. |
| TM10 | Hidden Power | | Special | 60 | 100 | 15 | A unique attack that varies in type depending on the Pokémon using it. |
| TM11 | Sunny Day |  | Status | - | - | 5 | The user intensifies the sun for five turns, powering up Fire-type moves. |
| TM12 | Taunt | | Status | - | 100 | 20 | The target is taunted into a rage that allows it to use only attack moves for three turns. |
| TM17 | Protect | | Status | - | - | 10 | Enables the user to evade all attacks. Its chance of failing rises if it is used in succession. |
| TM18 | Rain Dance |  | Status | - | - | 5 | The user summons a heavy rain that falls for five turns, powering up Water-type moves. |
| TM21 | Frustration | | Physical | - | 100 | 20 | A full-power attack that grows more powerful the less the user likes its Trainer. |
| TM27 | Return | | Physical | - | 100 | 20 | A full-power attack that grows more powerful the more the user likes its Trainer. |
| TM32 | Double Team | | Status | - | - | 15 | By moving rapidly, the user makes illusory copies of itself to raise its evasiveness. |
| TM41 | Torment | | Status | - | 100 | 15 | The user torments and enrages the target, making it incapable of using the same move twice in a row. |
| TM42 | Facade | | Physical | 70 | 100 | 20 | An attack move that doubles its power if the user is poisoned, burned, or has paralysis. |
| TM44 | Rest |  | Status | - | - | 5 | The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions. |
| TM45 | Attract | | Status | - | 100 | 15 | If it is the opposite gender of the user, the target becomes infatuated and less likely to attack. |
| TM46 | Thief | | Physical | 60 | 100 | 25 | The user attacks and steals the target’s held item simultaneously. The user can’t steal anything if it already holds an item. |
| TM48 | Round | | Special | 60 | 100 | 15 | The user attacks the target with a song. Others can join in the Round and make the attack do greater damage. |
| TM59 | Incinerate | | Special | 60 | 100 | 15 | The user attacks opposing Pokémon with fire. If a Pokémon is holding a certain item, such as a Berry, the item becomes burned up and unusable. |
| TM73 | Thunder Wave |  | Status | - | 100 | 20 | The user launches a weak jolt of electricity that paralyzes the target. |
| TM77 | Psych Up | | Status | - | - | 10 | The user hypnotizes itself into copying any stat change made by the target. |
| TM82 | Dragon Tail | | Physical | 60 | 90 | 10 | The target is knocked away, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon. |
| TM87 | Swagger | | Status | - | 90 | 15 | The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat. |
| TM88 | Sleep Talk | | Status | - | - | 10 | While it is asleep, the user randomly uses one of the moves it knows. |
| TM90 | Substitute | | Status | - | - | 10 | The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy. |
| TM94 | Rock Smash |  | Physical | 40 | 100 | 15 | The user attacks with a punch. This may also lower the target’s Defense stat. This move can also shatter rocks in the field. |
| TM97 | Dark Pulse | | Special | 80 | 100 | 15 | The user releases a horrible aura imbued with dark thoughts. This may also make the target flinch. |
| TM100 | Confide | | Status | - | - | 20 | The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Draco Meteor | | Special | 130 | 90 | 5 | Comets are summoned down from the sky onto the target. The attack’s recoil harshly lowers the user’s Sp. Atk stat. |
Hustle
Ability Slot 1
Boosts the Attack stat, but lowers accuracy.
Strengthens physical moves to inflict 1.5× damage, but decreases their accuracy to 0.8×.