I did. I spazzed out after Ruby in particular. I used the mime+KOTR/Drain trick... took me like 40 minutes. Emerald I just did because I had finally gotten the Final Attack materia and had, literally, nothing left to do. God that fight is even more fucked up than Ruby.
I did both on my second play-through, as I missed the underwater materia on my first play-through. Stupid fucking green kaiju.
I did both on my second play-through, as I missed the underwater materia on my first play-through. Stupid fucking green kaiju.