Kat in the fourth city. on the edge of the city is waiting for its next mission to Heyd. While they were talking, Dusty ate the poison for the Nevi. This greatly hurt Kat in her adventure as the cat is very sick.
We are not accustomed to simply walking to the lack of gravity, but will have to get used to, in front of a difficult boss, and a double !!
The world is literally "overgrown" with giant mushrooms and other vegetation including water lilies. Violate this atmosphere all kinds of debris.