For those who have not completed Xenoblade Chronicles X, this page may contain spoilers regarding the plot. Discretion is advised.
aBOreSSsis a track in Xenoblade Chronicles X, composed and arranged by Hiroyuki Sawano. It is track eight of disc three from the Xenoblade X Original Soundtrack. The first half is an arrangement of D91M with a faster tempo, heard during the battle against the Prog Ares piloted by Lao in Cauldros. The second half is heard during the first battle against the Zu Pharg in Sylvalum. The lowercase letters in the name spell "Ares", and the capital letters spell "Boss".