You only have to beat the elite four once but you can do it as many times as you want.
Four times.
91,533,585,748,574,857,845,754,854,474,854,857,489,343,987,893,395,798,457,893,578,349,579,573,957,398,579,357,397,397 times
four
It doesnt matter how many times
Only once
The person who answered last is actually wrong, you see you can beat the elite4 as many times as you want but nothing special will happen I've beat then about 9 times and I've got nothing, you don't get a shiny.
It doesn't matter how many times you beat the elite four, celebi is not going to just appear.
how many times cheasea have beat manchesterunited
one time to access more areas. from then on however many u want
How many times as man u beat Barcelona
not as many times as the cubs beat the sox
how many times does a skunks heart beat per minute