Cerulean Cave, Deepest point.
You catch mewtwo in the curlean cave.
nothing. it just adds it to your pokedex.
The legendaries on Soulsilver are as follows: Entei, Raikou, Suicune, Lugia, Ho-oh, Groudon, Latios, Rayquaza, Mewtwo, Moltres, Articuno, Zapdos. These are the legendaries found on Pokémon Soulsilver version. ~CareyPrice31FTW
Mewtwo is in the deepest part of cerulean cave
If you have killed him ... your f*cked, sorry :(
No, you can not catch Phanpy in SoulSilver. It is a version exclusive to HeartGold.
You can find Mewtwo in cerulean cave when you go to the Kanto region.
Throw a Master Ball at it.
mewtwo is in kanto it is in cerulean cave
Mewtwo is inside the Cerulean Cave in Cerulean City. You have to beat the entire game in order to go inside and catch it
First you have to beat all of the Kanto gyms. After that you go to the Cerulean Cave. At the end of the cave you find Mewtwo.
No but you can transfer from Leafgreen,Firered to HeartGold,SoulSilver then trade to Black,White!