The cutting edge of sleep technology
The Glow Lights of the Great Library. This set of five unbreakable crystal balls provide bright magikal light so people can read among the rare books and scrolls in the Great Library without risking candles. These innocuous items are often overlooked. They would not be, if anyone knew their origins were with Corvus the Mad.
The Dragon Carved Egg, is a perfect crystal egg, the size of a goose egg, etched with images of a pride of dragons. It grants the one holding it immunity from Dragon. This item is another Legacy of Corvus the Mad. In fact, his signature is written in tiny script in the edtchings.
A certain country allows most civilians to carry weapons, but only if they are potentially deadly. Pepper sprays, stun guns/tasers, batons, and dart guns are banned. And if you kill someone and are not acquitted at trial, the punishment is to be hanged the day after you were found guilty. The message here is that if you want to go armed, you had better be prepared to risk killing someone and being executed unless it was clearly self defense.
When it comes to combat spells, again, only the highly dangerous can legally be cast with the same possible consequences if cast wrongly.