The king flew into a rage and ordered the messenger executed.
Tips
register
Literary / formal — common in novels, history writing, news. Set phrase 盛怒之下 (shèngnù zhī xià, 'in a fit of rage') is the most natural collocation. In 宋玉's 《风赋》, 盛怒 also poetically describes a great wind — the 'rage' of nature.