Alright then, so here are the rules. 
One: If you lose, you're out of the contest, whether you die or not.
Two: If you lose, you can either give up or join whoever beat you. 
Three: Every group must have a cause. 
Four: Every cause must have a Codex sponsoring them.
Five: Every Codex must join a cause.
Six: The last remaining members of each group will have a battle royal in a dimension specifically made for that battle.
Seven: Have fun!