An item that puts a horible curse on the victims of its spell.
A dark emperors gloves that make an excelent weapon and torture tool.
Elementalist have commonly used jems to further their powers over nature.
The characters are given the task of transporting a flask of highly volatile liquid a long distance. The flask cannot be shaken too much or it will explode. The adventure involves stormy sea-voyages, bumpy cart rides through densely populated towns and horseback combat. In short there are many opportunities for it to break and explode.