Dragon Ball Xenoverse - Fastest Way to Find Masters / Mentors

This video shows how to find masters / mentors in the fastest way possible in Dragon Ball Xenoverse! I have trained with Vegeta, Goku, Beerus, Gohan & Videl, Gotenks, Cell, Piccolo, Frieza, Ginyu, Android 18, Krillin, and Hercule. You can find all my trainings with them here: https://www.youtube.com/playlist?list=PLVDAHTzWM4-0dsqUEP1VnBN-o1ES1msKV