How would you feel if Bleach's original 2004 - 2012 run magically received the Blood War cour treatment? A predetermined set of episodes released in season installments, with modern day compositing and 3D technology, rather than the original indefinite week-to-week production model? No need for...
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It'd be really good, PROVIDED the Filler arcs remain and get the same treatment. You can't really ditch most of your best content and expect the end result to not suffer for it, they are part of the reason the Bleach anime in particular was so good.
Besides the Bount Arc is honestly the arc that would benefit the most from it, given its biggest issues are a slow pace, it dragging due to being longer than it needed to be, and lackluster animation at times (especially earlier in the arc). The Anime TYBW treatment would work wonders for it.
If you ditch the filler arcs, then miss me with that shit.