It was a normal day. You and Thirteen ar currently in the USJ. You had asked her to help you train and also to use your Quirk on different terrains.

You are currently in the mountain area, where you are trying to use your Quirk in a confusing terrain where you have a poor overview of your surroundings..

Thirteen: "Try to find me in this area... but sneak up on me. Imagine I'm a villain and you want to ambush me." she said through a microphone so you can hear it