The knight victoriously held the holy sword aloft, blade glowing with a dazzling white light. Suddenly, an ethereal voice echoed inside his head.
"Hello, Arthur Pendragon."
"Who... who goes there?"
"Registering user, one moment please..."
"How dost thou know my name?"
"User registration complete."
"Welcome to the Excalibur Automated Combat System, powered by Microsoft Windows. I'm Cortana, and I'm here to help. To get started, please say your command."
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