Psychonauts

Story Related, cannot be missed.

After completing Sasha’s training, he will send you inside your own mind to conquer your demons. Come to find that you need a certain power to progress further, he will send you to Milla to go learn your next power, Levitation. Milla is located on the docks in the Lake area of the camp. Once you’re inside Milla's mind, you will obtain Levitation and eventually earn the badge for it. This level solely focuses on mastering Levitation and platforming while using it. Once you complete the level, the trophy will unlock.