Peaceful Resolution (Silver) - After being marooned, leave everyone alive until the Treasury
At the beginning of Chapter 13, you will end up being marooned on an island and you won't end up happening upon the treasury until the beginning of Chapter 15. Despite the wording of the trophy description above, your sole objective for this trophy is to not personally kill any enemies in the three encounters you will come upon in Chapters 13 and 14. The first thing you need to know is that you cannot get this by choosing the encounters from Encounter Select and will actually need to play through the entirety of both previously mentioned chapters until you get to the beginning of 15.
You are allowed to die, but some people seem to have problems if they manually restarted from the last checkpoint, so if you come to that, restart the entire encounter. Also, in the second two encounters, Sam IS allowed to kill enemies, so don't worry if that happens. You can be seen by enemies and it might actually make things easier, since you can just run through the enemies on Explorer difficulty. The one caveat is that you need to remain hidden during the third encounter, as you cannot trigger the QTE at the end that allows you to finish if you're in the middle of a fight.
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