The Key of Darkness

"The Key of Darkness" is a musical composition by Yoko Shimomura that appears in the Kingdom Hearts series.

Appearances
"The Key" appears in only in cutscenes. It is used in climatic moments relating to darkness.

Terra's Story

 * Land of Departure: "Eraqus's Demise", "The World Collapses"
 * Keyblade Graveyard: "The Last Bastion of Free Will"

Ventus's Story

 * Land of Departure: "Flashback: The Keyblade Masters"

Riku's Story

 * The World That Never Was: "Seven Lights, Thirteen Darknesses"

Kingdom Hearts III

 * Keyblade Graveyard: "Kingdom Hearts"

Kingdom Hearts III Re Mind

 * Keyblade Graveyard: "Kairi's Whereabouts"

Kingdom Hearts Dark Road

 * Land of Departure: "Struggle to Answer"
 * Scala ad Caelum: "A Place to Return"

Albums
 File:Kingdom Hearts Birth by Sleep and 358 2 Days Original Soundtrack Cover.png|Disc 2, Track 18 in the Kingdom Hearts Birth by Sleep & 358/2 Days Original Soundtrack 