As the malevolent godlike ruler of this world, I'm easily bored. Fortunately for me I have the world's leading developer of new inventions at my beck and call. It only took the threat of his family and anyone he's ever known being violently tortured to death on national television to get him to play along. He's a good sport. For the sake of his life he's a good sport.
One of my first demands is for this easily manipulated man to design me a machine to clone human beings. That on its own is too simple, so I've added a twist: this machine is going to be solely to populate my personal fighting league. Because of this very specific purpose, the clones are going to be required to each have skills that perfectly offset the others'. It'll do me no good to have two identical participants anticipating the other's moves. That, my friends, is a recipe for a boring point-fighting style that my audience will reject with alacrity!
As the commissioner of this fighting league, it'll be my duty to dispose of the bodies of the losers. The losers are the ones who die in this league. This seems like a task I could easily delegate to some underling, but I'm a man who likes to be involved in every step of the process. It's good for morale, and it allows me to keep an eye on everyone at the same time.
Therefore, the second task for this pitiful but brilliant fool is to design me a machine that will recycle the clones in a way that allows their bodies to be used for other more practical purposes. I'm talking about garbage cans built using clone and plastic blends. Coffee filters. Bicycle chains. The sky's the limit, but my patience most assuredly has a plateau. His deadline is two months after the first fights take place in my palace's courtyard.
There are many more things I'll demand of this brilliant prisoner. I've achieved immunity from death as a bonus for becoming the malevolent godlike ruler of this world, which is nice. It allows me to be creative with my time and with my demands of people. Freed from the restraints of moral decency, the world is my oyster... and it's always dinner time.