She sacrificed honesty 'on the altar of success'. [=she chose to be dishonest in order to achieve success]
They started a romance that eventually 'led' (them) 'to the altar'.
Her fiancé 'left her at the altar'.
(..) I think I may have heard at one point. Baelor built his sept around it. But men worshipped here long before him. Who carved this altar? - Do you know? - I'm afraid I don't. No one does. There's no name on it or anywhere else in the chapel. (..)2015 TvShow: Game of Thrones Title: The Gift Season: 5 Episode 7