you have to buy it as a capsule it costs 60,000 zennie

u have to unlock gokus ssj4 the third time playing and then play it again after u fight
kid buu/broly it will show u a cut scene with goku in ssj4 and omega shenron talking then
ssj4 vegeta will come in and say "not so fast" then they will fuse and fight omega shenron
in ssj4 gogeta so u dont buy it noob but i think u can buy ssj4 vegeta.u cannot buy ssj4
gogeta noobs