The harsh truth

the harsh truth is Disc 1, Track 22 on the Xenosaga III: Also Sprach Zarathustra Original Sound Best Tracks album.

It plays when the party keeps Shion from going to Kevin on Old Miltia.

A loop of the middle section of the track plays as the battle music for the Red Testament and his partner, including the final part of the prior cutscene when Jin draws his sword against them.

A version of the above loop with only piano, unofficially referred to as , plays in the following cutscenes:
 * Kevin reveals himself to the party on Old Miltia.
 * Nephilim appears before the party prior to T-elos's appearance on Michtam.
 * Shion goes to stand with Kevin on Michtam.
 * Allen interferes in the fight against Kevin.