Nightmare Diaries is the second full-length album by Norwegian band Ancestral Legacy, released under the British independent record label Femme Metal Records on March 1, 2010, after signing a contract in December 2008.

[1] Nightmare Diaries was recorded in late 2007 and masterized in mid-2008 by guitarist Knut Magne Valle (Arcturus, Ulver, Fleurety) at Mølla Studio in Gjerstad.

However, it wasn't published until almost a year and a half later, due to production delays.

It is the last album recorded with singer Elin Anita Omholt, who left the band in the late 2008.

Promo version includes a plastic sleeve with a two sided paper insert, front cover image with "PROMO COPY" in white letters, back side band picture, a short biography and album info.