Could someone please tell me why it's impossible for the Dark Soldier to be Xehanort.
It's not *impossible*, but DS seems like he'd be too short to have grown to Xehanort's height in little less than a year. And yes, BBS is ten years before KH1, but the thing is, when we see Xehanort in Mickey's flashback, which takes place at most a couple of months after BBS, that's it, that's as tall as he ever got. All the forms of Xehanort (well, except possibly Master Xehanort, we don't know how tall he is in comparison, but if you ask me it seems about right) have the exact same height; that gives DS just a little while to grow over what seems to be 1 and half heads+. Adding onto that, there's little to nothing linking DS and Xehanort together, therefore it's much more of a guess than anything else. That's just IMO, of course.
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