DRAGON BALL: Sparking! ZERO

There are 3 Special Finishers that can be viewed from Whis's Stamp Book. And for the achievement it simply requires ending a battle utilizing any of the characters Ultimate Blast to end the match.
The characters are:
1. Super Saiyan Goku (Mid)
2. Master Roshi (Base)
3. Super Saiyan 3 Goku

-Go into Battle and select offline mode VS a CPU

-Select the stage of your choosing and then press LB to make the CPU's level "WEAK"

-Choose any of the 3 characters needed and for your opponent you can pick whoever you'd like but I just went with Hercule to make things faster.

-Start up the match and simply just beat you opponent unit they are on their last bar of health. then just charge up your Ki until you have the RT+B ultimate and finish off your opponent utilizing move.

-Press Retry and just rinse and repeat until you have the achievement :)