Mega Mewtwo in Pokémon GO: which one to choose in the Genetic Domain mission?

Pokémon Go - reprodução
Photo: Pokémon Go - reprodução

Pokémon GO’s Go Fest: Global 2026 event brings an unmissable opportunity for players: the “Genetic Domain” Temporary Research. This free mission, available exclusively on July 11th and 12th, allows participants to choose and obtain a Mega Mewtwo at no additional cost, making it essential to complete it within the deadline.

Below, we’ve broken down every step of the “Genetic Mastery” Temporary Research in Pokémon GO for Go Fest: Global, as well as providing guidance on which form of Mega Mewtwo — X or Y — might be the best option for each trainer.

Understand the steps of the “Genetic Domain” special research in Pokémon Go

  • Genetic Mastery: step 1 of 6
  • Visit and spin 5 PokéStops or Gyms to receive 6 Pinap Berries.
  • Catch a total of 10 Pokémon to earn 26 Poké Balls.
  • Perform 3 excellent throws to be rewarded with 6 Nanab Berries.
  • Upon completing the stage, you will receive 2,026 Stardust, a Bouffalant encounter, and 2,026 XP.
  • Challenges of stage 2 of the Genetic Domain mission
  • Strengthen your Pokémon 10 times to gain 1 Fast MT.
  • Use a Quick MT to get 1 Charged MT.
  • Use a Charged MT to get 3 potions.
  • Rewards for this phase include 26 Gastly Candies, a Gengar encounter, and 6 XL Gastly Candies.
  • Complete the third phase of research to decide your Mega Mewtwo
  • Capture 20 different species of Pokémon to receive 2 incubators.
  • Hatch 2 eggs to gain 100 Gengar Mega Energy.
  • Mega-evolve a Pokémon to acquire 1 Star Piece.
  • The final rewards are 3 Rare Candies, an encounter with Tropius, and 2,026 Stardust.

After completing this step, players will be presented with the crucial decision: choosing between Mega Mewtwo X or Mega Mewtwo Y. The form selected will determine which Mega Energy will be granted. It is important to highlight that the Mewtwo obtained through this research will already have the first level of Mega Evolution unlocked for the chosen option.

  • Step 4 steps to find Mewtwo
  • Catch 3 Psychic-type Pokémon to receive 2,026 XP.
  • Perform 10 curved shots to earn 26 perfect balls.
  • Complete 6 Field Research tasks to obtain 2,026 Stardust.
  • Upon completion, rewards include 300 Mewtwo Mega Energy (X or Y, depending on your choice), an encounter with Mewtwo and 26 Mewtwo Candy.
  • Final challenges of the fifth phase
  • Mega evolve your Mewtwo to earn 2,026 Stardust.
  • Power up Psychic-type Pokémon 10 times to receive 26 Ultra Balls.
  • Win 3 raids using a team made up of only unique Pokémon species to obtain 1 Super Incubator.
  • The rewards for this stage are 2,026 Stardust, 6 Mewtwo Go Fest stickers, and 2,026 XP.
  • Final stage completion and rewards
  • Redeem the first reward for 2,026 XP.
  • Claim the second reward for 2026 Stardust.
  • Redeem the third reward for 2,026 XP.
  • The final research rewards are 3 Mewtwo XL Candy, 1 Elite Charged Attack MT, and 26 Mewtwo Candy.

Which Mega Mewtwo form should you choose?

The choice between Mega Mewtwo X and Mega Mewtwo Y involves several elements that must be considered. Among them, the time available to play during Go Fest, the damage potential of each form and the possible specific Adventure Effects stand out. It is essential to remember that the Mewtwo acquired in this Temporary Research will already come with the first level of Mega Evolution active.

For starters, Mega Mewtwo X’s availability in raids is exclusive to Saturday, July 11th, while Mega Mewtwo Y appears in raids only on Sunday, July 12th. To activate Mega Mewtwo X, you need to accumulate the corresponding Mega Energy

Therefore, if the player plans to dedicate more time to the event on Saturday, it may be strategic to opt for Mega Mewtwo Y in the research. This would allow you to accumulate energy for Mega Mewtwo

In terms of raw strength, Mega Mewtwo Y is often considered to be slightly more powerful, but the difference between the two forms is minimal and barely noticeable. Both excel as Psychic-type attackers. Additionally, both Mega Mewtwo X and Y can be used as effective attackers for other types, depending on the charged attack equipped.

For types like Electric (with the Lightning attack), Ice (with Ice Beam), Ghost (with Shadow Ball), and Fighting (with Concentrated Blast), Mega Mewtwo Y generally outperforms Mega Mewtwo X. However, Mega Mewtwo X excels in the Fighting type, especially because it acquires this typing. It’s worth noting that, as a Fighting type, Mega Lucario is still more powerful than Mega Mewtwo X.

Considering all these aspects, the ideal decision will mainly depend on the period in which the coach plans to participate more actively in Go Fest and his game priorities. Both of Mewtwo’s mega evolutions are extremely powerful and valuable, each with their own benefits and strengths.

Information extracted from game data indicates that Mega Mewtwo should have an exclusive Adventure Effect, activatable to obtain special bonuses. However, Scopely has not made an official announcement, leaving it unclear whether the idea has been scrapped or will be launched in the future. Below, the effects that were leaked:

  • Mega Mewtwo X with Dynamic Punch: Enables the breaking of two shields in Super Mega Raids for a period of 10 minutes.
  • Mega Mewtwo Y with Future Sight: Shows Pokémon with “high stats” before capture for 5 minutes.

Most players will likely find Mega Mewtwo Y’s Adventure Effect to be more advantageous overall. However, for those playing in regions with fewer participants, the ability to break two shields provided by Mega Mewtwo X can make a significant difference, especially if other players also activate this effect. It should be noted, however, that there is a possibility that these Adventure Effects will never be implemented in the game.

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