be a total doosh
The only way is to trade with someone who has one of the other starters and can trade with firered. I know that leafgreen can and so can another firered
Without trading or cheating, it's impossible. You can trade from HeartGold/SoulSilver or get it from Pal Park with FireRed or LeafGreen.
Pokemon Gold Silver Crystal Sapphire Ruby FireRed LeafGreen Emerald Diamond Pearl But there is no real way to get Celebi without cheating
You cant without cheating
short answer: no
i dont think that you can without cheating
Yes by migrating it from firered or leafgreen.
Trade from Pokemon leafgreen or firered
you could download the ROM from romsite.net and get the VBA emulator from any emulator site then go to the game shark codes site and find firered or firered/leafgreen and use the cheats to do that. either than that, its impossible
Celebi cannot be obtained in Pokemon FireRed or LeafGreen legitimately without trading. There are no events for Celebi currently and an GameShark may be required.
The only way to get the Legendary Beasts in Pokemon Pearl is to find them in FireRed, LeafGreen, HeartGold or SoulSilver, catch them and then migrate them over to Diamond via Pal Park.
The only way to get more masterballs without cheating is to have other leafgreen versions or firered or ruby or sapphire or emerald or Pokemon colosseum or Pokemon xd gale of darkness trade the masterball that those games get to leafgreen other than that you have to win the lottery in ruby and sapphire and emerald at lilycove city to get another masterball then trade it to leafgreen.