The fight was taking place for what a saiyan's reason would be for what Vegeta and Goku would do to challenge an old rival that ruin their saiyan race.

Battle Scene:

https://youtu.be/JR5x4KxE2MA

https://youtu.be/vmxPc-AEy3I

The two saiyans have reached a new form and defeated Frieza from laying a hand on Cindy. The new form called SSJB (Super Saiyan Blue) and for that is what they'll use for other opponents in the future. What about Cindy? Does she have to return back to her old home? Find out next time on Night Mime!