Legendary Pokemon of Pokemon FireRed
Mewtwo - Mewtwo can be found deep inside the Cerulean Cave. You need to fix the Machine on One Island, obtain the National Pokedex, and defeat the Elite Four before you can find Mewtwo. It will be at Level 70.
Zapdos - Zapdos can be found at the end of the Power Plant. It will be at Level 50.
Moltres - Moltres can be found somewhere on One Island. It will be at Level 50.
Articuno - Articuno can be found deep inside Seafoam Island. It will be at Level 50.
Ho-Oh - Ho-Oh can be found on Eight Island. It will be at Level 70.
Lugia - Lugia can be found on Eight Island. It will be at Level 70.
Entei - If you chose Bulbasaur as your Stater Pokemon, Entei can be found roaming the Kanto Region after you defeat the Elite Four. It will be at Level 50.
Suicune - If you chose Charmander as your Stater Pokemon, Suicune can be found roaming the Kanto Region after you defeat the Elite Four. It will be at Level 50.
Raikou - If you chose Squirtle as your Stater Pokemon, Raikou can be found roaming the Kanto Region after you defeat the Elite Four. It will be at Level 50.
Deoxys - Deoxys can be found on Nine Island, after you have solved the puzzle. It will be in it's Attack Form. It will be at Level 30.
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