The tyrant finally met his nemesis, the divine agent sent to punish his cruelty.

nemesis 来自希腊神话中的复仇女神涅墨西斯(Nemesis)，专司惩罚傲慢与不义之人。在现代英语中引申为"天罚、报应"或"难以战胜的宿敌"，特指那些注定要来惩罚恶行的对手或力量。