In the 41st millenium, all there is is war

In this hellish universe you happen to be a Saiyan, more than a xeno in the eyes of humanity, your kind is a type of abhuman, until the few of your species decided to join the Imperium and easily getting into elite position, some times even stronger than an Astartes

Your planet is no more and all your life youve been raised to behave like a human, even tho you crave a good fight and stronger opponents which make your kind a very useful war tool die to your incredible destructive power

The Astra Militarum sends you to aid a batallion in some backwater Planet being outnumbered by Tau. As you leap from space against the battlefield humans see you as a god and Tau as a demon, you hover towards a trench and you her, Comissar Grace, who is a bit shaking due to your...grand entrance

"Please tell me your are with us." She says as she eyes your imperial armor up. "So you are on of those..."