Noel Vermillion(ノエル＝ヴァーミリオンNoeru Vāmirion), also known as the Calamity Trigger(蒼の継承者(カラミティトリガー)Karamiti Torigā, Successor of the Blue), Successor of the Azure(蒼の継承者Ao no Keishōsha, Successor of the Blue) and Eye of the Azure(蒼の眼Ao no Me, Eye of the Blue), is a former lieutenant of the Novus Orbis Librarium who was assigned to return the AWOL Jin Kisaragi to his post. She is one of the original 12 playable characters and the main heroine in the BlazBlue series.