Pride was his 'tragic flaw'. [=a bad quality that causes someone to fail, die, etc.]
We saw a 'tragic' play about a man with AIDS.
They both died in a 'tragic' car accident.
(..) cast off the yoke of superstition, freeing the crown from elements who sought to subvert the rule of law. The destruction of the Sept of Baelor was a tragic accident. Indeed, but sometimes tragedies are necessary to restore order and rational leadership. The Iron Bank (..)2017 TvShow: Game of Thrones Title: The Queen's Justice Season: 7 Episode 3