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After you've completed Kasumi's loyalty mission in Mass Effect 2 Legendary Edition, she recovers the graybox that contains various secrets about the Brotherhood subconscious inside information technology. Information technology's as well tied to the memory of Keiji, Kasumi's professional person partner and hinted lover. She has a option to destroy the graybox or hold on to information technology, potentially having it leak elsewhere, damning the Alliance in the future. Shepard has the option to persuade her one way or the other.

Kasumi keeps the graybox

If you convince Kasumi to continue the graybox, she'll go along it, and she'll e'er have information technology on paw. Should she ever determine to turn on the Alliance or give them more problem in the futurity, she has plenty dirt on them to make it really hurt.

Kasumi destroys the graybox

If you lot convince Kasumi that information technology's a better idea to destroy the graybox, ensuring she's no longer a target, she'll have trouble doing it. Y'all can practice it for her, or you can convince her it's better she does it herself, just information technology will be destroyed, and she won't have to worry most it anymore.

Regardless of your decision in Mass Effect 2, Kasumi will become loyal to y'all. None of the choices do result in a negative activeness. Unfortunately, nothing happens with the graybox because these details were previously DLC for Mass Event ii when they were initially released, then it can't have a massive impact in Mass Effect ii or 3. The just large thing that can happen in Mass Event iii is if you don't complete Kasumi'due south loyalty mission. She volition appear in the game, only she does not bring together your war effort.