Nu -No. 13- (ν-No.13-(ニューナンバーサーティーン) Nyū Nanbā Sātīn), also known simply as Nu-13 (ν-13-(ニュー·サーティーン) Nyū-Sātīn) or Nu (ν(ニュー) Nyū), is a Murakumo Unit who was sealed in the Sheol Gate, and is said to be the Sword of Izanami (冥王の剣(イザナミノツルギ) Izanami no Tsurugi). She is one of the original 12 playable characters in the BlazBlue series. She is a playable character in BlazBlue: Calamity Trigger, BlazBlue: Chronophantasma, and BlazBlue: Centralfiction. She appears in BlazBlue: Continuum Shift as Lambda -No. 11-'s unlimited form.