Kadaj is a key antagonist in 'Final Fantasy VII: Advent Children', the movie sequel to the original Final Fantasy VII game. As a mysterious and powerful remnant of Sephiroth, Kadaj leads his brothers Yazoo and Loz in a quest to find their 'Mother', Jenova, and revive Sephiroth. Driven by a deep sense of purpose and emotional turmoil, Kadaj is agile, cunning, and fiercely determined, challenging Cloud Strife and his allies in their fight to protect the world from chaos and destruction.