[Spoiler] I have questions about the end of Final Fantasy 7.

[Nukara]

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I did not understand, the campaign remake was originally AU in relation to the original. Well, here are extended events, new characters that were not in the original and which could not be there, and that’s all even without the intervention of these spirits. Even the clothes on the heroes are different, not the same as in the original and in their compilations. It may be that Seferot was defeated by Cloud in "Advent Children" and moved to another alternative universe to fulfill all his goals there. This is, of course, half the theory, but the plot twists are haunting me, and I want someone to clarify what happened.
By the way, how Aerith is dressed in the FF7 Crisis Core and Original Game https://images-na.ssl-images-amazon.com/images/I/51-A7a05cEL._AC_SX425_.jpg and how she is dressed in the FF7R https://media.kg-portal.ru/games/f/finalfantasy7remake/production/finalfantasy7remake_5.jpg, (Of course, many will say that I wrote nonsense, but do not forget that Nomura, the person who, was involved in Final Fantasy 7 remake, made the whole episode In KH why Mickey lost his jacket.) it seems to me that the scriptwriters intentionally made FF7R AU, in order not to touch the original, but to introduce new events in remake.

 

[The Dead Skin]

Okay.

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the ghosts that pop up throughout the game - the Whispers - are trying to railroad the story to fall in line with the original game's. Notice that they only pop up when the plot is about to seriously diverge from the original: when Cloud was about to kill Reno at Aerith's church, Hojo was about to tell Cloud he was never in SOLDIER, etc.

The Whispers usually react to those changes on a case-by-case basis. But by Chapter 17, the butterfly effects they've been trying to prevent have spiraled out of control - so they open a dimensional singularity to replace the Remake timeline with the original game's.

The "Edge of Creation" cutscene implies that Sephiroth knows this, and is trying to destroy the Whispers for his own ends.

The heroes's outfits are purely incidental.