Riddler Emp Puzzle. I stuck on the trophy where you use emp to get rid of force field above ya. Activate the EMP to temporary turn off the force field.
But I dont know what to do after I drop force field. Eject batman towards the first button. Here you will have to solve a quite complex puzzle that assumes using the batmobile to a large extent.
Enter the main room of Stage C and hit the button on the pedastal to summon a Riddler game.
The missiles should strike the lights and youll earn yourself a Riddler Trophy. You need to head south from a Militia Blockade in Otisburg to find a Riddler Puzzle. The riddle solving takes place in the underground of the Panessa Studios. Looking at your map you can decide where Riddler.