Mega Evolution is a special kind of transformation that affects certain Pokémon. It is an extra evolution that brings about a change in appearance, a boost to stats in battle, and occasionally a new ability, but only for the duration of a battle or until that Pokémon faints. Only one Pokémon can be Mega Evolved during a battle, and if it is knocked out, it reverts to its original form and cannot be evolved again in the same battle.

Mega Evolution can only be activated when the trainer has a Key Stone and the Pokémon is holding its specific Mega Stone. Vaeryn will give the player the Mega Bracelet as their Key Stone and one free Mega Stone that matches one of their party Pokémon upon defeating him at the Snowbank Town Gym. Prior to patch 1.0.2, this was the only way to obtain an Unidentified Fallen Object to Mega Evolve S51-A; as of the latest release, all usable Mega Stones can be found throughout Tandor (though receiving one for free can still be advantageous).

Certain Pokémon in Tandor are capable of Mega Evolution. These Pokémon are:

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A Mega Evolution for Daikatuna and a second Mega Evolution for S51-A are planned for inclusion in future releases, but are not obtainable yet.

Pokémon Type Ability Mega Type Mega Ability Mega Stone Mega Stone Location


Metalynx Metalynx Grass Steel Battle Armor Grass Steel Heatproof Metalynxite Bealbeach Dpt. Store (5F, Wednesday)


Archilles Archilles Fire Ground Flame Body Fire Ground Drought Archillesite Bealbeach Dpt. Store (5F, Monday)


Electruxo Electruxo Water Electric Static Water Electric Drizzle Electruxolite Bealbeach Dpt. Store (5F, Friday)


Gyarados Gyarados Water Flying Intimidate Water Dark Mold Breaker Gyaradosite Route 7 (Requires Surf)


Arbok Arbok Poison Unknown Intimidate Poison Dark Petrify Arbokite Nuclear Plant Zeta West Sector


Ampharos Ampharos Electric Unknown Static Electric Dragon Mold Breaker Ampharosite Lanthanite Core (requires Waterfall)


Baariette Baariette Dark Fighting Moxie Dark Fighting Blood Lust Baariettite The Labyrinth


Drilgann Drilgann Ground Dark Lightning Rod Ground Dark Sand Rush Drilgannite Snowbank Town


Sableye Sableye Dark Ghost Keen Eye Dark Ghost Magic Bounce Sableyeite Passage Cave (requires Surf)


Whimsicott Whimsicott Grass Fairy Prankster Grass Fairy Regenerator Whimsicottite Victory Road


S51-A S51-A Psychic Steel Levitate Psychic Steel Mega Launcher link=http://pokemon-uranium.wikia.com/wiki/Unidentified Fallen Object Beachside Resort and Casino


Inflagetah Inflagetah Fire Unknown Acceleration Fire Unknown Acceleration Inflagetite Route 10 (requires Surf)


Syrentide Syrentide Water Fairy Cute Charm Water Fairy Pixilate Syrentideite Route 14 (postgame, from Elite Trainer Paul)


Dramsama Dramsama Psychic Ghost Illusion Psychic Ghost Bad Dreams Dramsamaite Beachside Resort and Casino


Kiricorn Kiricorn Fairy Normal Cute Charm Fairy Normal Magic Bounce Kiricornite Tsukinami Village (Minicorn or Kiricorn needed)


Gengar Gengar Ghost Poison Levitate Ghost Poison Shadow Tag Gengarite unused


Trivia

Some Pokémon's weight changes upon Mega Evolution, as follows:

Metalynx 146.5

Archilles 88.7

Electruxo 96.5

Gyarados 305.0

Ampharos 61.5

Drilgann 223.2

S51A 137.8

Inflagetah 52.2

Syrentide 44.8

Dramsama 50.3

Sableye 16.1

Baariette 115.7

Whimsicott 10.5

Arbok 122.5

Gengar 48.0

Kiricorn same as normal

Height is not affected in Uranium.

Gallery

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