This is going to be a very similar level to the previous one. Check your phone's log for new text messages and additional hints. You'll find out that you'll have to gather at least 50 points. You should also notice that a lot of new roots have appeared on your map. Check Optional: Roots of evil - Part 2 section if you want to find out how to destroy them. Once you've gathered enough points, you may continue completing the main mission - Scene 1 - Part 2.