Dragon Ball Z: Dark Origins

Dragon Ball: Dark Origins (ドラゴンボール暗い起源, Doraganboru Daku Jobiraki), is a fanfiction by Zeon1, currently unfinished. It follows a squad of Saiyans during the Saiyan-Tuffle war, and chronicles the fall of Planet Plant. It also begins the story of the Saiyan Zukai.

Prelude Saga
Main Article: '/Prelude Saga/

This saga details the events leading up to the Saiyan's invasion of Planet Plant, as well as the destruction of their home planet and a brief telling of the Original Super Saiyan's end. It concludes with the Saiyans arriving on Planet Plant and preparing their forces.

Nomad Saga
The Nomad Saga (遊牧民サガ, Rurosha Saga) is the first saga of Dark Origins. Taking place several months after the Saiyans arrive on Planet Plant, it begins with Zukai becoming aquainted to his squad and being sent on a recon mission. When the Tuffles find them, they retreat.

The Tuffles launch an assault on the Saiyan camp, but after a long battle, are repelled. Zukai is promoted to Sergeant. The war with the Tuffles begins.