Complete the indicated task to unlock the corresponding Mentor.

Android #18: Complete the Androids Saga. Level 34 required.
Beerus (Bills): Complete Goku's Training. Level 70 required.
Freeza (Frieza): Complete the Frieza Saga and complete Ginyu's training. Level 20 required.
Ginyu: Complete the first half of the Freeza Saga. Level 15 required.
Gohan & Videl: Complete the Buu Saga. Level 40 required.
Gotenks: Complete the Buu Saga. Level 40 required.
Kuririn (Krillin): Complete the first half of the Saiyan Saga.
Mr. Satan (Hercule): Complete the first half of the Androids Saga (Cell Saga).
Perfect Cell: Complete the first half of the Androids Saga (Cell Saga). Level 30 required.
Piccolo: Complete the first half of the Saiyan Saga. Level 5 required.
Son Goku: Complete the Démigra Saga. Level 70 required.
Vegeta: Complete the Saiyan Saga. Level 8 required.