How do you get broly ss3 raging blast

You have to beat alot of missions first,then go back to the missions you beat and itll say missions.pick that and itll show you what you have to do get stars.most of the time it would be to beta the mission on hard mode. so just complete the requirements and youll start to get stars.u need 20 to get the mission on wat if stories.Once you get twenty go to the star shop and there will be a mission called strongest ss3. buy it and go to the wat if section and beat it.

have fun.