Ideology In Friction Corruption Level

Reaching Level 3 Corruption (and Rank A Lewdness) before the end of Chapter 4 allows you to leave the resistance and enter the Drifter Route Happy/Pure Endings:

When an enemy is murdered, a specific "slash" animation plays, often resulting in a blood pool on the floor, signaling the point gain. Influence on Routes and Endings ideology in friction corruption level

Only killing human enemies increases this stat; defeating monsters or non-humans has no effect . Reaching Level 3 Corruption (and Rank A Lewdness)