He sighed, and gathered his power about him, and then flared it so that even the magically inept and untrained could see it. "Because I can, and will destroy you, if I had but cause. I could take what I want, but instead I offer a trade, so that later, when I have need, I know that orcs will gladly take my promises of gold, slaves, and easy fights against weak and pathetic humans. I offer an easy trade now, to show I CAN lead by enticement, rather than brute force. And that I can offer a good fight, rather than raiding against weak foes than any fool can offer."