you don't need the master ball for any Pokemon but i would save it for ho-oh lv 70
all of them
Use the master ball you get from profe elm
there is no master ball in diamond and also great ball. but there is silver ball-silver ball is like a master ball.
you cant get two master ball's in silver
no
No
snorlax
Use it on Palkia.
just throw your master ball away
latious
prof. oak
you have to save the president of silph co. to get the master ball.