MasterVG71782 on 27 January 2009
You have to do all of the combos without the combo killing any enemy, without the combo leading into a button-mashing mini-game, and without the enemy deflecting any part of the combo. You should get the trophy after the fight in which you perform the last combo. I assume you're using the one list from one of the guides on GameFAQs? I just checked them off whenever I performed one.
Essay Pro