Overture to the Decisive Battle

"Overture to the Decisive Battle" is a musical composition by Yoko Shimomura, Takeharu Ishimoto, and Yasunori Nishiki. It appeared in the Kingdom Hearts Orchestra -World of Tres- live performance. The piece is a medley of boss themes from Kingdom Hearts III.

Composition
The medley features the following boss themes, in order: "Dawn of Hope", "Enter the Darkness -KINGDOM HEARTS III Version-", "Hearts as One", "Forza Finale", and "Dark Domination".