Originally Posted by BlackyBhoy
Do you need to it on every level yes?
Also can you start doing it through a campaign or do you need to start again?
P.s how do you know when your near the end of a level thanks
Yes you do need to do it on every level. it is best to start with a new campaign and go through every level that way other wise if you miss a few levels without doing the assassin trick then you will have to replay that level all the way through on assassin.
When your playing the level and get to the point in which is said in the first post you will know then to quit out and change to assassin.
Play through the mission *Dangerous Beginnings* and you reach this point of the level:
When you get to the part where you are timed eventually you will get to a boss fight in a small room, fight him until he jumps through a window. You will get a checkpoint now quit out and switch and finish the level.
You will then know when to quit and change to assassin.
just follow the guide and it will work.