Item description:

Follow the order below to look legit;

1 - The Floor is Lava; Run file 00 and kill the last boss. It will be easy, just attack him r-quickly, he should die in 3-4 hits.
2 - Farewell, Fateless One. Use this same save, after you kill the last boss, and go to the indicated point on the map and finish the dlc story.

3 - Gatekeeper; Run file 31, close the last portal behind you and the trophy will pop.

4 - Customer Service; Run file 02 and talk to the npc in front of you, the trophy will appear.
5 - use this same file to get armor related trophies. Very easy;

-Walking Fortress
-Black Hole
-Sixpack .