Phantom Doctrine
47 Achievements
GOG
Soldier
Kill 100 enemies.
28.9%
How to unlock the Soldier achievement in Phantom Doctrine - Definitive Guide
Corrupt XBA
TrueAchievements
TrueAchievements
This is cumulative, and includes any runs where you die, or any restarts. You could technically just save just before taking on a few enemies if you wanted to grind it.