The Legendary Mewtwo Arrives on Greengrass Isle
Thanks to players' diligent sleep research, one of the most powerful and enigmatic Pokémon—Mewtwo—has arrived in Pokémon Sleep. During the two-week event, researchers will have a unique opportunity to explore the uncharted area of Greengrass Isle and record rare sleep styles of this iconic creature.
The event will take place in two stages:
- Week 1: from September 14 to September 21, 2026;
- Week 2: from September 21 to September 28, 2026.
Event Features and Bonuses
Professor Neroli notes that exploring the uncharted corner of Greengrass Isle will not only allow players to encounter Mewtwo, but also to collect special Pokémon DNA during morning sleep research. Collected samples can be exchanged for Mewtwo Incense, special Mewtwo Biscuits, Main Skill Seeds, and other valuable items.
In addition, researchers can look forward to the following in-game bonuses:
- Psychic-type helper Pokémon will bring one additional ingredient.
- The main skill trigger rate for Psychic-type Pokémon is increased by 1.5 times.
- If you have Mew or Mewtwo on your team, Drowsy Power accumulation will be multiplied.
- During the event, players worldwide will join forces to accumulate global sleep energy and unlock new rewards.
- Mewtwo will not become full quickly during the first feed of the day.
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