To get this trophy you have to buy the map 'Fearless' and while using Nariko achieve a level 3 super. This is super easy as you can load up practice mode the map and select the Nariko and start the match. Once in the match hit the start button and change force super level from normal to level 3 and hit the r2.
The only hard part of this trophy is forking over the 1.99$ for the map which is already on disc content....