<p>They wasted a great idea for a jutsu in a 'filler' episode, and they executed it very poorly. Those enemy shadow clones have potential, but I don't see the point of them looking for their casters (the best example was Boruto's shade looking for him) when they are actually connected to them...
</p><p>By the way, this Kokuri guy was a good person, but he was way too coward to face his problems, and he never actually fought against them until the very end... Maybe he didn't deserve to die, but he never fought so much for his life...
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