Mirror's Edge Catalyst
49 Achievements
EA Play
Danger Zone
Reach full focus and take out 10 enemies before it runs out
How to unlock the Danger Zone achievement in Mirror's Edge Catalyst - Definitive Guide
This is not as bad as it sounds: you need to reach full focus (see Praise the Run) followed by defeating 10 enemies without your focus reaching zero, meaning you can lose focus as long as it does not deplete completely.
See PowerPyx's excellent video below for a location (Story mission #7) to achieve the trophy:
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