Demon $layer is comprehensively mid, but has some great animation.
If Demon Slayer were good, it would be Dororo. (http://www.autoadmit.com/thread.php?thread_id=5408213&forum_id=2#46813472)
ive heard good things about Dororo (http://www.autoadmit.com/thread.php?thread_id=5408213&forum_id=2#46813520)
Dororo (remake) is a t5 modern anime. (http://www.autoadmit.com/thread.php?thread_id=5408213&forum_id=2#46813541)