Fire Emblem: Maiden of Darkness (lost build of cancelled Nintendo 64DD tactical role-playing game; 1997-2000)
From The Lost Media Wiki
Srceenshot from Nintendo Space World 2000
Status: Lost
Fire Emblem: Maiden of Darkness (Fire Emblem: Ankoku no Miko in Japan) was a cancelled Nintendo 64DD game in Nintendo's tactical role-playing series Fire Emblem.
The game was first mentioned in July of 1997 in an interview with Shigeru Miyamoto before being officially announced in various Japanese gaming magazines in September of 1998.
Unfortunately, only two years after it's announcement, it was cancelled in September of 2000.
It was eventually reworked into Fire Emblem: Sword of Seals for the Game Boy Advance.