(光と闇の姫君と世界征服の塔 ファイナルファンタジー・クリスタルクロニク), Hikari to Yami no Himegimi to Sekaiseifuku no Tō Fainaru Fantajii Kurisutaru Kuronikuru, lit. "The Princess of Light and Darkness and the Tower of World Conquest: Final Fantasy Crystal Chronicles") is a tower defense video game developed and published by Square Enix for the Wii and distributed through the WiiWare download service. It is the most recently announced game in the Final Fantasy Crystal Chronicles series.

As the title suggests, My Life as a Darklord is a direct sequel to Final Fantasy Crystal Chronicles: My Life as a King. The protagonist, Mira, is the daughter of the Darklord, the antagonist of the previous game. She lives in a tower that she must defend from marauding adventurers by populating it with monsters and traps.