若有一日你弃我而去我必倾尽全力让你灭亡
[ruò yŏu yī rì nĭ qì wŏ ér qù wŏ bì qīng jĭn quán lì ràng nĭ miè wáng]
This highly dramatic name translates to 'If you leave me one day, I will do my utmost to make you perish.' It expresses intense possessiveness and the destructive emotions that can come with heartbreak.