Síocháin

Síocháin is the Ghost of Deputy Commander Sloane.

Biography
At some point, Síocháin resurrected Sloane as her chosen Guardian, and has accompanied her ever since.

Disappearance of Titan
As Titan was in the process of being Taken by the Witness, Sloane and Síocháin fell into the methane ocean, but survived thanks to Sloane's scavenged suit of Golden Age power armor.

Trivia

 * Rather unusually for a Ghost, Síocháin has been seen to play an active role in combat, with her shell being outfitted with blades that allow her to slash enemies.

List of appearances

 * Destiny 2
 * Season of the Deep