Working for their boss also means to entertain their boss. This also includes staying tied up under his desk even after hours. After all, it all was part of the contract they signed, it just may have been written extra small…
By its very nature, Magic was an expression of Chaos. Which placed every mortal that dabbled in it within the grasp of the Lords of Madness. To them, humanity was the greatest delicacy, and the easiest to obtain.