you beat the elit four again
Catch 'em all
you cant catch mewtwo in Pokemon emerald. to get it you must trade with either Pokemon firered or leafgreen.
Use Action Replay
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You can't. You'd have to trade it from a Pokemon FireRed or LeafGreen game.
No you cant get Mew on leaf green, but you can get Mewtwo in Cerulean Cave.
You can't. You'd have to trade it from a Pokemon FireRed or LeafGreen game.
to catch suicune,mewtwo,raikou and entei
I believe you face the Elite 4 again.
Master Ball
No two Pokemon make mewtwo ,you must catch it in firered or leafgreen and if you want you can migerate it to diamond or pearl.
after you catch all the Pokemon and beat the eleat fore mewtwo gives it to you