You have never done a NCL before and think how to start ?
Here is a list of tools or resources might help you doing well in NCL!
Database Pen-Testing SQLMap
Digital invisible ink tookkit - helps you find flag under the cover images click here to download
some common dicionaries will help you crack passwords: Rokyou
Wi-Fi Cracking, how to gain access to a Wi-Fi access point click here to watch the playlists
some decoder you wanna to use during NCL: