The Mira Add-on for Killer Instinct has 14 achievements worth 150 gamerscore.
Complete 200 matches as Mira
Reach 80 Fight Challenges with Mira
Win a versus match as Mira
Defeat 10 opponents in one Survival as Mira
Win a survival match as Mira
Reach 30 Fight Challenges with Mira
Restore more than 50% of Mira's Recoverable Damage in a single match!
Win a Ranked Match as Mira
Defeat 6 different characters in online matches as Mira
Unlock a color for Mira
Earn a supreme Victory in an online match as Mira
Win an exhibition match vs a friend as Mira
Win 20 ranked matches with Mira
Reach 150 Fight Challenges with Mira