I'd want there to be some kind of content where having that powerful stuff is warranted, like a challenge mode or a hard new game+ or something.
As for stuff being missable, it's fine if there is missable stuff, but it has to be wither consistently featuring missables in apparent situations, or having every single thing able to be revisited.
I played a couple games lately that just had one or two missables total, and they were both obscure, out of the way, and not explicitly mentioned at all. Also effectively useless.
So in the end I have this one empty space in my item list that feels like a slight for no reason.
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