The Summer Knight, slayer of dragons, trolls, and Underdark horrors, damned near dropped the 'book' as the book jumped at him, and took a moment to get his heart to settle and finish swearing in his head sulfurously enough to spawn a pit fiend. He took a deep breath, and glanced at the dragons and avatar of a god that was his daughter, before asking the most pertinent question to him. "Please state primary function."