Dragon Ball Z, Volume 22 — Akira Toriyama

The Lord of Lords, mightiest of the deities, has come to Earth--and he needs the help of Goku, Gohan and Vegeta! From across aeons of time, from across the stars, the evil wizard Bobbidi has returned, gathering chi energy to resurrect the imprisoned djinn Boo, the most powerful creature that ever existed. Beneath the ground in a buried spaceship, Bobbidi has assembled a menagerie of vicious beasts from across the galaxy, ready to defeat our heroes and feed their power to the djinn. But the most vicious enemy of all is already standing in the heroes' ranks...