Inferno

inferno is Disc 1, Track 10 on the Xenosaga III: Also Sprach Zarathustra Original Sound Best Tracks album.

It plays in the following cutscenes:
 * Shion leaves the party to try and help her mother at Labyrinthos on Miltia.
 * 27-Series Asura kill Shion's mother in the Acute Neurosis Treatment Facility on Miltia.
 * The party confronts Dmitri Yuriev inside Abel's Ark.