Varys, the Master of Whisperers, warns Eddard Stark that he believes Jon Arryn, Stark's predecessor as Hand of the King, was actually poisoned using tears of Lys. When Petyr Baelish arrives at the Eyrie with Sansa Stark, it is finally revealed by Lysa Arryn that she was the one who dropped the tears of Lys into Jon Arryn's wine.