The Aganos Add-on for Killer Instinct has 14 achievements worth 150 gamerscore.
Hit your opponent 5 times with Peacemaker while in Aganos' Instinct Mode
Reach 30 Fight Challenges with Aganos
Win 20 ranked matches with Aganos
Unlock a color for Aganos
Earn a supreme Victory in an online match as Aganos
Defeat 10 opponents in one Survival as Aganos
Defeat 6 different characters in online matches as Aganos
Complete 200 matches as Aganos
Win a versus match as Aganos
Win an exhibition match vs a friend as Aganos
Win a survival match as Aganos
Reach 150 Fight Challenges with Aganos
Reach 80 Fight Challenges with Aganos
Win a Ranked Match as Aganos