In the interest of giving some actual substance this whole debate thing, here's the Homeworld section.
Homeworld, Or: Index Astronomica: Necris
Necris is a Death World beyond the southern border of the Imperium, but still within range of the Astronomicon. Its surface was once verdant and full of life, but centuries of strip mining for the valuble minerals below its surface have reduced it to barren desert. The planet rotates relatively slowly around its axis, making days and nights longer and more intense.
These conditions are extremely inimical to life, and indeed very few species are able to survive. Almost every native animal (and even a number of plants) are fulling capable of killing a grown man, either with fang and claw or with potent venoms. Amazingly, humanity has managed to eke out an existance here. The people of Necris, the decendants of the original miners, live in various settlements throughout the desert. Society here is pious and industrious. Veneration of the God-Emperor and the saints is part of daily life, and many people consult their local priest before undertaking any new endeavors. Everyone is expected to contribute to the good of their settlement. and anyone who can not is sent into the desert to perish.
While the Marines Exemplar do recruit from a number of worlds around the galaxy, they draw the majority of their aspirants from Necris. Every twenty-five years, children of the appropriate age make a pilgramage through the desert to the shrine of Saint Arvas. Those that survive are allowed into the trials, having passed the first test.
The aspirants are given tests of strength, speed, and martial prowess, including many gladitorial contests. The aspirants must pass every test to be inducted into the chapter. Most die; those that simply fail become chapter serfs. The aspirants that manage to pass every test must finally prove their worth by venturing out into the desert alone to track down and kill a rock dragon, a massive reptile larger than a grown man armed with sharp fangs and potent venom that can stop even the strongest man's heart in less than a minute. Those that manage to do so and return to the arena are finally inducted into the chapter.
Edited by Argon, 01 October 2010 - 12:46 PM.