Who is the strongest hero on mystery dungeon exployers of sky?

There is no definitive answer to this question, as the strength of a Pokémon in Pokémon Mystery Dungeon: Explorers of Sky depends on a variety of factors, including its stats, moves, and abilities. However, some Pokémon that are often considered to be among the strongest include Mewtwo, Rayquaza, Salamence, Dragonite, and Groudon. These Pokémon have high stats and powerful moves, and they can be very effective in battle. Ultimately, the best Pokémon to use in Pokémon Mystery Dungeon: Explorers of Sky is the one that best suits your playstyle and team composition.