This Seeking Tech video guide will show you how to unlock the Hero of the Wutai War? trophy and achievement in Crisis Core: Final Fantasy VII Reunion.
To get this, you have to “received highest evaluation from Lazard for Assault on Fort Tamblin.” This can only be done in a specific section in Chapter 1, where you need to defeat 16 enemy forces before moving on.
Keep in mind that the game will only show you only 11 enemy forces at first. So, you need to trigger the rest.
You can find the full video walkthrough below: