#0012 Butterfree

Artwork: PokéAPI.

BugFlying

Abilities

Compound EyesThe Pokémon’s accuracy is boosted.

Hidden ability

Tinted LensPowers up “not very effective” moves.

Capture

Hard catch

Gender

50.0% female

Egg groups

Bug

Growth

Medium Fast

EV yield

2 Sp. Atk, 1 Sp. Def

Wild held item

Silver Powder

Butterfree’s base stats

HP	60
Attack	45
Defense	60 (official 50)
Sp. Atk	100 (official 90)
Sp. Def	80
Speed	90 (official 70)
Total	435	Official games: 395, +40 in this hack. All base stat changes

Where to find it

• Trade: S.S. Anne 1F Northwest rooms. Give Raticate in exchange.

  First trade Butterfree for the Gentleman’s Raticate on the S.S. Anne; then trade a Raticate back in the 1F northwest rooms.

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.

Headbutt chances apply to the listed tree type. Common and rare trees depend on your Trainer ID.

Contest values are stored weights, not percentages.

Where to find Butterfree in the wild

Location	Method / conditions	Level	Chance
Viridian Forest	Grass/cave, morning	12	5%
Viridian Forest	Grass/cave, day	12	5%
Route 9	Grass/cave, night	15	1%
Route 16 East	Grass/cave, day	29	10%
Ilex Forest	Headbutt: Rare trees	6–8	10%
National Park	Grass/cave, morning	15	10%
National Park	Grass/cave, day	15	10%
National Park	Grass/cave, night	15	10%
National Park	Bug-Catching Contest: Set 1: Tuesdays, Thursdays and Saturdays	12–15	30 (weight)
Route 47	Headbutt: Special trees	25–28	30%

National Park: During the Bug-Catching Contest, the wild Pokémon come from the contest sets listed below, not from the park's normal table.

Bug-Catching Contest: The contest runs once per day, with one Pokémon and 20 Sport Balls, and uses the same species set on Tuesdays, Thursdays and Saturdays in this hack. The additional National Pokédex species sets are not active.

Evolution

Evolves from Metapod at Lv 10.

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.

Butterfree’s level-up moves

Level	Move	Type	Category	Power	Accuracy	PP	Effect and notes
On evolution	Gust	Flying	Special	40	100	35	The foe is struck by a gust whipped up by wings. It can hit foes in the sky, for double damage.
1	Gust	Flying	Special	40	100	35	The foe is struck by a gust whipped up by wings. It can hit foes in the sky, for double damage.
1	Harden	Normal	Status	—	—	30	The user stiffens all the muscles in its body. Raises its Defense by 1 stage.
1	Tackle	Normal	Physical	40	100	35	A physical attack in which the user charges and slams into the foe with its whole body.
1	String Shot	Bug	Status	—	95	40	The foe is bound with silk blown from the user’s mouth. Lowers its Speed by 2 stages.
1	Bug Bite	Bug	Physical	60	100	20	The user bites the foe. If the foe is holding a Berry, the user eats it and gains its effect.
4	Supersonic	Normal	Status	—	55	20	The user generates odd sound waves from its body. It may confuse the target.
8	Confusion	Psychic	Special	50	100	25	The foe is hit by a weak telekinetic force. It has a 10% chance to confuse the target.
12	Poison Powder	Poison	Status	—	75	35	A cloud of poisonous dust is scattered on the foe. It may poison the target.
12	Stun Spore	Grass	Status	—	75	30	The user scatters a cloud of paralyzing powder. It may paralyze the target.
12	Sleep Powder	Grass	Status	—	75	15	The user scatters a big cloud of sleep-inducing dust around the foe.
16	Psybeam	Psychic	Special	65	100	20	The foe is attacked with a peculiar ray. It has a 10% chance to confuse the target.
20	Whirlwind	Normal	Status	—	—	20	The foe is blown away, to be replaced by another Pokémon in its party. In the wild, the battle ends.
24	Air Slash	Flying	Special	75	95	15	The user slices the foe with a blade of air. It has a 30% chance to make the foe flinch.
28	Safeguard	Normal	Status	—	—	25	The user creates a protective field that prevents status problems for 5 turns.
32	Bug Buzz	Bug	Special	90	100	10	The user buzzes its wings to make a sound wave. 10% chance to lower the foe’s Sp. Def by 1 stage.
36	Tailwind	Flying	Status	—	—	15	A turbulent whirlwind doubles the Speed of all party Pokémon for 4 turns.
40	Rage Powder	Bug	Status	—	—	20	The user covers itself in irritating powder to draw attention. All foes’ attacks target the user.
44	Quiver Dance	Bug	Status	—	—	20	The user performs a light, mystic, beautiful dance. Raises its Sp. Atk, Sp. Def, and Speed.

TMs and HMs

TMs and HMs Butterfree can learn

TM / HM	Move	Type	Category	Power	Accuracy	PP	Effect and notes
TM10	Hidden Power	Normal	Special	60	100	15	A unique attack that varies in type and intensity depending on the Pokémon using it.
TM11	Sunny Day	Fire	Status	—	—	5	The user intensifies the sun for 5 turns. Fire-type moves become 1.5 times stronger.
TM15	Hyper Beam	Normal	Special	150	90	5	The foe is attacked with a powerful beam. The user must rest on the next turn to regain its energy.
TM17	Protect	Normal	Status	—	—	10	It enables the user to evade all attacks for 1 turn. Its chance of failing rises if used in succession.
TM18	Rain Dance	Water	Status	—	—	5	The user summons a heavy rain for 5 turns. Water-type moves become 1.5 times stronger.
TM19	Giga Drain	Grass	Special	75	100	10	A nutrient-draining attack. The user’s HP is restored by half the damage taken by the target.
TM20	Safeguard	Normal	Status	—	—	25	The user creates a protective field that prevents status problems for 5 turns.
TM22	Solar Beam	Grass	Special	120	100	10	The user gathers light on turn 1, then blasts a bundled beam on turn 2.
TM27	Return	Normal	Physical	var.	100	20	A full-power attack that grows more powerful the more the user likes its Trainer.
TM29	Psychic	Psychic	Special	90	100	10	The foe is hit by a strong telekinetic force. 10% chance to lower its Sp. Def by 1 stage.
TM30	Shadow Ball	Ghost	Special	80	100	15	The user hurls a shadowy blob at the foe. 20% chance to lower its Sp. Def by 1 stage.
TM32	Double Team	Normal	Status	—	—	15	By moving rapidly, the user makes illusory copies of itself. Raises its evasiveness by 1 stage.
TM40	Aerial Ace	Flying	Physical	60	—	20	The user confounds the foe with speed, then slashes. The attack lands without fail.
TM42	Facade	Normal	Physical	70	100	20	An attack whose power is 2 times higher if the user is poisoned, burned, or paralyzed.
TM44	Rest	Psychic	Status	—	—	5	The user goes to sleep for 2 turns. It fully restores the user’s HP and heals any status problem.
TM45	Attract	Normal	Status	—	100	15	The user charms a foe of the opposite gender. The foe has a 50% chance of being unable to act.
TM46	Thief	Dark	Physical	60	100	25	The user attacks and steals the foe’s held item simultaneously. It can’t steal if the user holds an item.
TM48	Skill Swap	Psychic	Status	—	—	10	The user employs its psychic power to exchange abilities with the foe.
TM51	Roost	Flying	Status	—	—	5	The user lands and rests its body. It restores the user’s HP by up to half of its max HP.
TM53	Energy Ball	Grass	Special	90	100	10	The user fires power drawn from nature. 10% chance to lower the target’s Sp. Def by 1 stage.
TM58	Endure	Normal	Status	—	—	10	The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
TM68	Giga Impact	Normal	Physical	150	90	5	The user charges at the foe using every bit of its power. The user must rest on the next turn.
TM70	Flash	Normal	Status	—	100	20	The user flashes a light that lowers the foe’s accuracy by 1 stage. It can also light up caves.
TM77	Psych Up	Normal	Status	—	—	10	The user hypnotizes itself into copying any stat change made by the foe.
TM82	Sleep Talk	Normal	Status	—	—	10	While it is asleep, the user randomly uses one of the moves it knows.
TM85	Dream Eater	Psychic	Special	100	100	15	An attack that works only on a sleeping foe. It absorbs half the damage caused to heal the user’s HP.
TM87	Swagger	Normal	Status	—	85	15	The user enrages the foe into confusion. However, it also raises the foe’s Attack by 2 stages.
TM89	U-turn	Bug	Physical	70	100	20	The user attacks, then can switch places with a party Pokémon in waiting.
TM90	Substitute	Normal	Status	—	—	10	The user makes a copy of itself using 1/4 of its HP. The copy serves as the user’s decoy.
TM94	Venoshock	Poison	Special	65	100	10	Sprays the target with toxic fluid. Power doubles if the target is poisoned.
TM104	Electroweb	Electric	Special	55	95	15	Traps the target in an electric net, lowering its Speed.
TM106	Draining Kiss	Fairy	Special	50	100	10	Steals the target’s HP with a kiss, restoring more than half the damage dealt.
TM129	Dual Wingbeat	Flying	Physical	40	90	10	Strikes the target with its wings twice.

Move tutors

Moves Butterfree can learn from tutors

Move	Type	Category	Power	Accuracy	PP	Effect and notes	Tutor location, cost and requirements
Air Slash	Flying	Special	75	95	15	The user slices the foe with a blade of air. It has a 30% chance to make the foe flinch.	Route 18 · Cost: Free Requirements: Cycling Road: join the Kanto Speed Alliance or drive it out
Baton Pass	Normal	Status	—	—	40	The user switches places with a party Pokémon in waiting, passing along any stat changes.	New Bark Town · Cost: Level Ball ×1 New Bark Town
Bug Bite	Bug	Physical	60	100	20	The user bites the foe. If the foe is holding a Berry, the user eats it and gains its effect.	Route 2, Viridian Forest north gatehouse · Cost: Repeat Ball ×1
Hurricane	Flying	Special	110	70	10	The user wraps the foe in a fierce wind. It may confuse the foe.	Route 32 · Cost: Free Requirements: Route 32: the Hoppip blown away by the storm (→ Hurricane tutor)
Pollen Puff	Bug	Special	90	100	15	A puff that explodes on foes, or heals when used on an ally.	Rock Tunnel · Cost: Dusk Ball ×1 the Bug Catcher left of the Rock Tunnel exit
Quiver Dance	Bug	Status	—	—	20	The user performs a light, mystic, beautiful dance. Raises its Sp. Atk, Sp. Def, and Speed.	Route 2 · Cost: Fast Ball ×1 Route 2

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