Remove an invisible enemy from the equation.

Dismantle 50 pieces of armor or weapons.

I should get this whole generator panel running just in case. (Ch. 14)

Kill 25 enemies with melee attacks.

Kill 200 enemies.

Take out both guardians before the church.

Spend your first Exo upgrade point.

Prevent the walking tank from being destroyed by the Drone Swarm in "Induction."

Kill 30 enemies.

Defeat the Sadist within the village.

Kill 5 enemies in a row with a sneak kill without being discovered.

Kill 25 Fallen with precision shots in 1 mission without dying.

Kill a champion of the Dark.