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#10304raichu-mega-x
#10306chimecho-mega
raichu-mega-y

On this page

  1. 01Biology & Appearance
  2. 02Behaviour & Habitat
  3. 03Evolution & Mega Evolution
  4. 04Name Origin & Design
  5. 05Breeding & Gender
  6. 06Competitive Guide
  7. 07Cultural Impact
  8. 08Where to Find Raichu-mega-y

raichu-mega-y #10305

Electric

Type Matchups

Weak to (2x damage):

Ground

Resistant to (½x damage):

Flying
Steel
Electric

raichu-mega-y

Generation I · #10305 — Mouse Pokémon

Mega Raichu Y represents one of two possible Mega Evolution forms available to the standard Kantonian Raichu, distinct from its counterpart Mega Raichu X. Introduced in the Mega Dimension DLC for Pokémon Legends: Z-A, this form demonstrates a dramatic shift in Raichu's combat philosophy, transforming it into a pure Electric-type specialist with overwhelming special attack power. Standing at a compact 1.0 meter tall and weighing 26.0 kilograms, Mega Raichu Y is actually lighter and smaller than its non-Mega form, suggesting a more streamlined, energy-focused physiology. With a total base stat pool of 585, this Mega Evolution redistributes Raichu's capabilities away from physical prowess and toward special offensive superiority, making it fundamentally different from the base Raichu's more balanced approach to combat.

Base Stats

HP60
Attack100
Defense55
Sp. Atk160
Sp. Def80
Speed130
Total585
Height

1.0m

Weight

26.0kg

Category

Mouse Pokémon

Gender

Male 50% / Female 50%

Color

yellow

Shape

upright

Habitat

forest

Abilities
Unknown

Raichu-mega-y Biology & Physical Characteristics

Mega Raichu Y maintains the quintessential mouse-like features of its evolutionary line while undergoing a transformation centered on electrical amplification. The form exhibits a more concentrated electrical presence within its body, with its signature long tail serving as a critical grounding mechanism—a feature referenced in multiple Pokédex entries across generations. This tail prevents Raichu from being harmed by its own high-voltage electrical output, allowing it to safely store and discharge enormous amounts of electrical energy. The biological modifications during Mega Evolution appear to enhance the electrical sacs throughout its body, particularly those in its cheeks, which the Pokédex notes become visibly charged when the Pokémon's power reaches critical levels. Unlike its base form, which maintains a more generalist electrical adaptation, Mega Raichu Y's physiology is optimized purely for unleashing devastating special attacks, with its reduced physical frame suggesting that raw bulk has been sacrificed for electrical intensity and speed.

Pokedex Numbers

national#26
kanto#26
original johto#23
hoenn#157
original sinnoh#105
extended sinnoh#105
updated johto#23
conquest gallery#17
kalos central#37
updated hoenn#164
original alola#26
original melemele#26
updated alola#33
updated melemele#33
letsgo kanto#26
galar#195
isle of armor#86
hisui#57
paldea#75
kitakami#22
lumiose city#54

Training

EV YieldNone
Catch Rate75
Base Happiness70
Base Exp.N/A
Growth Ratemedium

Breeding

Egg Groupsground, fairy
GenderMale 50% / Female 50%
Egg Cycles10 (2805 steps)

Raichu-mega-y Breeding, Gender Ratio & Egg Groups

Mega Raichu Y inherits the standard breeding characteristics of the Raichu line, maintaining a 50/50 male to female gender ratio that applies equally across all forms of Raichu, including both Mega Evolution variants. This balanced gender distribution has been consistent since the species' introduction in Generation I, allowing trainers equal opportunity to breed either male or female Raichu specimens. Raichu belongs to both the Ground and Fairy egg groups, enabling breeding compatibility with a diverse range of Pokémon species—a trait retained through all evolutionary forms and variations. The species has a base friendship value of 70, facilitating the friendship requirements necessary for certain evolutions and breeding scenarios. With a hatch counter of 10 cycles and a medium growth rate, Raichu maintains reasonable breeding timelines for players seeking to develop optimal specimens. The Mega Stone requirement for Mega Evolution means that bred Raichu offspring cannot naturally exist as Mega Raichu Y without first being evolved via Thunder Stone and then carrying the appropriate Mega Stone into battle—a practical consideration for competitive players seeking to field multiple Mega Raichu Y specimens across different team compositions.

Gender Differences

This Pokémon has visible differences between male and female forms.

raichu-mega-y's Evolution Chain

pichu

pichu

#0172

Electric
pikachu

pikachu

#0025

Electric
raichu

raichu

#0026

Electric
pichu

pichu

#0172

Electric
pikachu

pikachu

#0025

Electric
raichu

raichu

#0026

Electric

Raichu-mega-y Evolution, Mega Evolution & Special Forms

Mega Raichu Y is the result of Mega Evolution occurring when a standard Kantonian Raichu is exposed to the Raichunite Y Mega Stone during battle. This transformation can only occur for the original Kantonian Raichu, as the regional Alolan form—despite being Electric/Psychic-type—cannot access Mega Evolution at all. The Mega Evolution chain beginning with Pichu illustrates the progression of this line: Pichu evolves into Pikachu through leveling up with high friendship, and then Pikachu evolves into standard Raichu through exposure to a Thunder Stone. From that point, the Thunder Stone-evolved Raichu gains the capability to Mega Evolve into either Mega Raichu X or Mega Raichu Y depending on which Mega Stone is used. The introduction of dual Mega Evolution forms for a single species represents a significant design choice, allowing trainers to tailor their Raichu's evolution to their preferred battle strategy. Mega Raichu Y specifically caters to trainers seeking maximum special attack power and speed, offering a +70 special attack increase and +20 speed increase over the base form.

Where to Find

Location data not available for this Pokémon in the database.

Raichu-mega-y Behaviour and Natural Habitat

Mega Raichu Y exhibits heightened aggression and electrical volatility compared to its non-Mega counterpart, a transformation mirrored in historical Pokédex entries noting that electricity buildup stimulates Raichu's muscles and increases its aggression. When in its Mega-Evolved state, the Pokémon's already considerable electrical reserves appear to become unstable and hair-trigger sensitive, requiring constant release through combat or deliberate discharge. The concentration of electrical energy within Mega Raichu Y manifests as visible signs of strain—its ears potentially standing straight up as its electrical pouches reach full capacity, a behavior documented in the species' lore. Environmentally, Mega Raichu Y would likely inhabit areas where it can safely discharge excess electricity, avoiding populated regions given its heightened volatility during Mega Evolution. The Pokédex mentions scorched patches of ground found near Raichu's nests, a phenomenon that would presumably intensify dramatically during Mega Raichu Y's periods of activity, as the form's special attack stat of 160 represents a staggering 77% increase over the base form's already respectable 90.

Pokedex Entries

Generation I

redblue

Its long tail serves as a ground to protect itself from its own high voltage power.

yellow

When electricity builds up inside its body, it becomes feisty. It also glows in the dark.

Generation II

gold

When its electric­ ity builds, its muscles are stimu­ lated, and it be­ comes more aggres­ sive than usual.

silver

If the electric pouches in its cheeks become fully charged, both ears will stand straight up.

crystal

If its electric pouches run empty, it raises its tail to gather electri­ city from the atmosphere.

Generation III

ruby

If the electrical sacks become excessively charged, RAICHU plants its tail in the ground and discharges. Scorched patches of ground will be found near this POKéMON’s nest.

sapphire

This POKéMON exudes a weak electrical charge from all over its body that makes it take on a slight glow in darkness. RAICHU searches for electricity by planting its tail in the ground.

emerald

If it stores too much electricity, its behavior turns aggressive. To avoid this, it occasionally discharges excess energy and calms itself down.

firered

Its electric charges can reach even 100,000 volts. Careless contact can cause even an Indian elephant to faint.

leafgreen

Its long tail serves as a ground to protect itself from its own high-voltage power.

Generation IV

diamond

It turns aggressive if it has too much electricity in its body. It discharges power through its tail.

pearl

It can loose 100,000-volt bursts of electricity, instantly downing foes several times its size.

platinum

Its tail discharges electricity into the ground, protecting it from getting shocked.

heartgold

When its electricity builds, its muscles are stimulated, and it becomes more aggressive than usual.

soulsilver

If the electric pouches in its cheeks become fully charged, both ears will stand straight up.

Generation V

blackwhite

Its tail discharges electricity into the ground, protecting it from getting shocked.

black 2white 2

Its tail discharges electricity into the ground, protecting it from getting shocked.

Generation VI

x

When its electricity builds, its muscles are stimulated, and it becomes more aggressive than usual.

y

It can loose 100,000-volt bursts of electricity, instantly downing foes several times its size.

omega ruby

If the electrical sacs become excessively charged, Raichu plants its tail in the ground and discharges. Scorched patches of ground will be found near this Pokémon’s nest.

alpha sapphire

This Pokémon exudes a weak electrical charge from all over its body that makes it take on a slight glow in darkness. Raichu plants its tail in the ground to discharge electricity.

Generation VII

sun

It unleashes electric shocks that can reach 100,000 volts. When agitated, it can knock out even an Indian elephant.

ultra sun

As electricity builds up inside its body, it becomes more aggressive. One theory is that the electricity buildup is actually causing stress.

moon

It becomes aggressive when it has electricity stored up. At such times, even its Trainer has to take care to avoid being attacked.

ultra moon

Because so many Trainers like the way Pikachu looks, you don’t see this Pokémon very often.

lets go pikachulets go eevee

When electricity builds up inside its body, it becomes feisty. It also glows in the dark.

Generation VIII

sword

Its long tail serves as a ground to protect itself from its own high-voltage power.

shield

If its electric pouches run empty, it raises its tail to gather electricity from the atmosphere.

legends arceus

It can discharge bursts of electricity exceeding 100,000 volts— a single strike with that amount of power would incapacitate one of the Copperajah of my homeland.

Raichu-mega-y Name Origin & Design Inspiration

The design philosophy behind Mega Raichu Y emphasizes electrical intensity and speed, creating a visual representation of concentrated electromagnetic power. The name 'Raichu' itself derives from 'raiden,' the Japanese word for thunder or lightning, combined with the sound 'chu,' onomatopoeia for squeaking—befitting a rodent Pokémon. The 'Y' designation distinguishes it from Mega Raichu X, with the X and Y nomenclature suggesting different directional focuses or evolutionary philosophies, much like similar branching Mega Evolutions in later generations. Aesthetically, Mega Raichu Y likely presents a more slender, aerodynamic form compared to the base Raichu, with visual cues emphasizing its special attack prowess rather than physical might. The reduced height and weight compared to even the standard form suggest a design focused on agility and electrical discharge efficiency rather than imposing physical presence. This contrasts sharply with Mega Raichu X, which presumably emphasizes physical attack and bulk, creating clear visual and mechanical distinctions between the two Mega Evolution options available to trainers seeking different competitive strategies.

Raichu-mega-y Competitive Battle Guide

Mega Raichu Y stands as a formidable special attack-focused Electric-type in competitive play, leveraging its base 160 special attack stat—a 77% increase from the base Raichu's 90—to unleash devastating special moves. The form's base speed of 130 is substantially higher than the base Raichu's 110, providing crucial speed control in competitive environments where outspeeding opponents determines turn order and strategic advantage. This combination positions Mega Raichu Y as a special attacker that can outrun most threats it encounters, allowing it to strike first with moves like Thunderbolt or Volt Switch while mitigating speed-based checks. However, the form's defensive stats remain largely unimproved compared to the base form, with only a modest special defense stat of 80, making it vulnerable to priority moves and physical attacks despite its offensive dominance. Trainers utilizing Mega Raichu Y typically employ defensive team support to mitigate its relative fragility, constructing teams that provide switch-in opportunities and protective supports like screens or terrain manipulation. The pure Electric typing, while offering immunity to paralysis through the Lightning Rod ability potential in base form, lacks the defensive typing advantages of some contemporary special attackers, requiring careful team building to ensure Mega Raichu Y's success in competitive environments.

Commonly Asked Questions About Raichu-mega-y

What type is Raichu-mega-y?

Raichu-mega-y is a electric type Pokemon.

What does Raichu-mega-y evolve into?

Raichu-mega-y does not evolve into any other Pokemon. It is the final form in its evolution line.

What are Raichu-mega-y's weaknesses?

Raichu-mega-y is weak to ground type moves.

Raichu-mega-y Cultural Impact & Franchise History

Raichu has maintained cultural relevance since its introduction in Generation I as one of the earliest evolutions in the Pokémon franchise, and Mega Raichu Y represents a modern reinterpretation of this classic Electric-type that appeals to both nostalgic players and contemporary competitive enthusiasts. The existence of dual Mega Evolution forms for a single species demonstrates the franchise's commitment to providing diverse strategic options, allowing different playstyles to coexist within competitive metagames. Mega Raichu Y's design caters to players who favor special attack-based strategies, continuing a tradition of offering power-fantasies where trainers can dramatically enhance their Pokémon's capabilities through Mega Evolution mechanics. The form's introduction in Pokémon Legends: Z-A as part of the Mega Dimension DLC indicates an ongoing commitment to expanding available Mega Evolution options and revisiting classic Pokémon with fresh evolutionary forms. Within the broader Pokémon community, Mega Evolution itself has become a defining mechanic of certain game generations, with Mega Raichu Y serving as a concrete example of how classic Pokémon can be refreshed through modern mechanical frameworks, maintaining engagement with established fan-favorites while introducing new competitive possibilities and strategic depth.

Where to Find Raichu-mega-y in Every Pokémon Game

Mega Raichu Y is available exclusively in Pokémon Legends: Z-A, where it was introduced as part of the Mega Dimension DLC content. Unlike previous Mega Evolution implementations, acquiring Mega Raichu Y requires first obtaining a standard Raichu through the normal evolutionary chain—beginning with Pichu, evolving to Pikachu, and then evolving to Raichu via Thunder Stone—before obtaining the Raichunite Y Mega Stone necessary to trigger the Mega Evolution during battle. The availability of Pikachu and the means to obtain a Thunder Stone in Legends: Z-A remain consistent with other entries in the franchise, though the specific locations and availability windows may vary based on the game's unique mechanics and story progression. The Raichunite Y Mega Stone itself represents a limited resource that trainers must acquire through the DLC content, potentially through specific locations, trainer battles, or achievement requirements unique to that game's framework. Notably, the Alolan Raichu form cannot Mega Evolve despite being a valid Raichu form, meaning that trainers specifically seeking Mega Raichu Y must work with the original Kantonian variant. As the Mega Dimension DLC is exclusive to Pokémon Legends: Z-A, players without access to this game cannot obtain Mega Raichu Y, making it one of the form-exclusive Pokémon that may see limited availability depending on future game releases and potential transfer mechanics that Game Freak may implement.