The term 'SOURCE OF DEVASTATION' can be summarized as a SCOURGE, which is a source of great destruction or suffering. It is often used to refer to a natural disaster, epidemic, or other calamity that causes widespread destruction and death. Historically, scourges have been used to describe plagues, wars, famines, and other disasters. In modern times, the term is often used to refer to any event or situation that causes great destruction and suffering.