Skip to content

#0262 Mightyena

Mightyena artwork
Artwork: PokéAPI.
Dark
Abilities
IntimidateLowers the foe’s Attack when it enters battle.Quick FeetWhile affected by a status condition, Speed and Attack increase, and the negative effects of status conditions are ignored.
Hidden ability
MoxieRaises Attack when it knocks out a foe.
Capture
Gender
50.0% female
Egg groups
Field
Growth
Medium Fast
EV yield
2 Attack
Mightyena’s base stats
HP70
Attack110 (official 90)
Defense70
Sp. Atk60
Sp. Def60
Speed100 (official 70)
Total470Official games: 420, +50 in this hack. All base stat changes

Where to find it

Chance per encounter, under the conditions shown.

Times and conditions
  • Morning: 4:00–9:59
  • Day: 10:00–19:59
  • Night: 20:00–3:59

Calendar encounters can replace a land slot on specific dates.

Where to find Mightyena in the wild
LocationMethod / conditionsLevelChance
Route 45, : (form 1)2320%
Route 45, 2310%

Evolution

Evolves from Poochyena at Lv 18.

Level-up moves

“On evolution” moves are learned when this Pokémon evolves. Open a move for its full effects and any special behavior in this hack.

Mightyena’s level-up moves
LevelMoveTypeCategoryPowerAccuracyPPEffect and notes
On evolutionSnarlDarkSpecial559515The user yells at the foe relentlessly, lowering its Sp. Atk.
1SnarlDarkSpecial559515The user yells at the foe relentlessly, lowering its Sp. Atk.
1Fire FangFirePhysical659515The user bites with flame-cloaked fangs. 10% chance to burn the foe or make it flinch.
1Thunder FangElectricPhysical659515The user bites with electrified fangs. 10% chance to paralyze the foe or make it flinch.
1Ice FangIcePhysical659515The user bites with cold-infused fangs. 10% chance to freeze the foe or make it flinch.
1CrunchDarkPhysical8010015The user crunches up the foe with sharp fangs. 20% chance to lower its Defense by 1 stage.
1ThiefDarkPhysical6010025The user attacks and steals the foe’s held item simultaneously. It can’t steal if the user holds an item.
1TackleNormalPhysical4010035A physical attack in which the user charges and slams into the foe with its whole body.
1HowlNormalStatus——40The user howls loudly to raise its spirit. Raises its Attack by 1 stage.
1Sand AttackGroundStatus—10015Sand is hurled in the foe’s face, reducing its accuracy.
1BiteDarkPhysical6010025The foe is bitten with viciously sharp fangs. It has a 30% chance to make the target flinch.
4HowlNormalStatus——40The user howls loudly to raise its spirit. Raises its Attack by 1 stage.
7Sand AttackGroundStatus—10015Sand is hurled in the foe’s face, reducing its accuracy.
10BiteDarkPhysical6010025The foe is bitten with viciously sharp fangs. It has a 30% chance to make the target flinch.
13Mud-SlapGroundSpecial2010010The user hurls mud in the foe’s face to inflict damage. Lowers its accuracy by 1 stage.
16RoarNormalStatus——20The foe is scared off, to be replaced by another Pokémon in its party. In the wild, the battle ends.
20SwaggerNormalStatus—8515The user enrages the foe into confusion. However, it also raises the foe’s Attack by 2 stages.
24AssuranceDarkPhysical6010010If the foe has already taken damage, this attack’s power is 2 times higher.
28Scary FaceNormalStatus—10010The user frightens the foe with a scary face. Lowers its Speed by 2 stages.
32HeadbuttNormalPhysical7010015The user sticks out its head and charges. It has a 30% chance to make the foe flinch.
36TauntDarkStatus—10020The foe is taunted into a rage that allows it to use only attack moves for 2 to 4 turns.
40CrunchDarkPhysical8010015The user crunches up the foe with sharp fangs. 20% chance to lower its Defense by 1 stage.
44YawnNormalStatus——10The user lets loose a huge yawn that lulls the foe into falling asleep on the next turn.
48Take DownNormalPhysical908520A reckless, full-body charge attack for slamming into the foe. It also damages the user a little.
52Sucker PunchDarkPhysical701005This move enables the user to attack first. It fails if the foe is not readying an attack, however.
56Play RoughFairyPhysical9010010Playfully attacks the target. May lower the target’s Attack.

TMs and HMs

TMs and HMs Mightyena can learn
TM / HMMoveTypeCategoryPowerAccuracyPPEffect and notes
TM05RoarNormalStatus——20The foe is scared off, to be replaced by another Pokémon in its party. In the wild, the battle ends.
TM10Hidden PowerNormalSpecial6010015A unique attack that varies in type and intensity depending on the Pokémon using it.
TM11Sunny DayFireStatus——5The user intensifies the sun for 5 turns. Fire-type moves become 1.5 times stronger.
TM12TauntDarkStatus—10020The foe is taunted into a rage that allows it to use only attack moves for 2 to 4 turns.
TM15Hyper BeamNormalSpecial150905The foe is attacked with a powerful beam. The user must rest on the next turn to regain its energy.
TM17ProtectNormalStatus——10It enables the user to evade all attacks for 1 turn. Its chance of failing rises if used in succession.
TM18Rain DanceWaterStatus——5The user summons a heavy rain for 5 turns. Water-type moves become 1.5 times stronger.
TM21FrustrationNormalPhysicalvar.10020A full-power attack that grows more powerful the less the user likes its Trainer.
TM23Iron TailSteelPhysical909015Attacks with a hard tail. May lower the target’s Defense.
TM27ReturnNormalPhysicalvar.10020A full-power attack that grows more powerful the more the user likes its Trainer.
TM28DigGroundPhysical8010010The user burrows on turn 1, then attacks on turn 2. It can also be used to exit caves.
TM30Shadow BallGhostSpecial8010015The user hurls a shadowy blob at the foe. 20% chance to lower its Sp. Def by 1 stage.
TM32Double TeamNormalStatus——15By moving rapidly, the user makes illusory copies of itself. Raises its evasiveness by 1 stage.
TM41TormentDarkStatus—10015The user torments and enrages the foe, making it incapable of using the same move twice in a row.
TM42FacadeNormalPhysical7010020An attack whose power is 2 times higher if the user is poisoned, burned, or paralyzed.
TM44RestPsychicStatus——5The user goes to sleep for 2 turns. It fully restores the user’s HP and heals any status problem.
TM45AttractNormalStatus—10015The user charms a foe of the opposite gender. The foe has a 50% chance of being unable to act.
TM46ThiefDarkPhysical6010025The user attacks and steals the foe’s held item simultaneously. It can’t steal if the user holds an item.
TM49SnatchDarkStatus——10The user steals the effects of any healing or stat-changing move the foe attempts to use.
TM58EndureNormalStatus——10The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
TM63EmbargoDarkStatus—10015The foe can’t use its held item, and items from the Bag can’t be used on it.
TM66PaybackDarkPhysical5010010The user charges up, then attacks. If it moves after the foe, its power is doubled.
TM68Giga ImpactNormalPhysical150905The user charges at the foe using every bit of its power. The user must rest on the next turn.
TM79Dark PulseDarkSpecial8010015The user releases a horrible aura of malice. It has a 20% chance to make the target flinch.
TM82Sleep TalkNormalStatus——10While it is asleep, the user randomly uses one of the moves it knows.
TM87SwaggerNormalStatus—8515The user enrages the foe into confusion. However, it also raises the foe’s Attack by 2 stages.
TM90SubstituteNormalStatus——10The user makes a copy of itself using 1/4 of its HP. The copy serves as the user’s decoy.
TM99Foul PlayDarkPhysical9510015Uses the target’s strength against it. The higher the target’s Attack, the greater the damage.
TM109Play RoughFairyPhysical9010010Playfully attacks the target. May lower the target’s Attack.
HM04StrengthNormalPhysical8010015The foe is slugged with a punch thrown at maximum power. It can also be used to move boulders.
HM06Rock SmashFightingPhysical6010015Attacks with a punch. May lower the target’s Defense.

Move tutors

Moves Mightyena can learn from tutors
MoveTypeCategoryPowerAccuracyPPEffect and notesTutor location, cost and requirements
Fire FangFirePhysical659515The user bites with flame-cloaked fangs. 10% chance to burn the foe or make it flinch.

Mt. Moon · Cost: Dusk Ball ×1

Mt. Moon

Hyper VoiceNormalSpecial9010010The user lets loose a horribly echoing shout with the power to inflict damage.

Goldenrod City · Cost: Love Ball ×1

Requirements: Goldenrod City: small extras

Ice FangIcePhysical659515The user bites with cold-infused fangs. 10% chance to freeze the foe or make it flinch.

Cerulean North house · Cost: Moon Ball ×1

Cerulean City

Play RoughFairyPhysical9010010Playfully attacks the target. May lower the target’s Attack.
SnarlDarkSpecial559515The user yells at the foe relentlessly, lowering its Sp. Atk.
Super FangNormalPhysicalvar.9010The user chomps hard on the foe with its sharp front fangs. It cuts the target’s HP to half.
Thunder FangElectricPhysical659515The user bites with electrified fangs. 10% chance to paralyze the foe or make it flinch.

Vermilion City · Cost: Love Ball ×1

Vermilion City

YawnNormalStatus——10The user lets loose a huge yawn that lulls the foe into falling asleep on the next turn.

The official site of the Origin HeartGold English translation. Patches are published only on our GitHub releases.

A free, non-commercial fan project. Not affiliated with or endorsed by Nintendo, Creatures Inc., GAME FREAK inc. or The Pokémon Company.

© 2026 Origin HeartGold English translation team. Guide text: all rights reserved — see licence.