guys if youre having trouble getting this trophy/achievement you can hit debris i did it and got it dont worry you can but dont let time eater hit you slap you or shot you thats all by the way NEVER GO TO CLASSIC SIDE IT WILL NOT WORK JUST MODERN NEVER CLASSIC THATS ALL by the way to enter the trophy room go to the collection room and for ps3 (select button aka mini rectangle button) :D