Shaman King is a franchise that's well-known among hardcore shonen anime and manga aficionados, though it's far from a mainstream series by modern standards. Shaman King is still defined by its original 2001 anime even though the property has had several spin-offs and sequels over the years. Nevertheless, many of these Shaman King productions have been plagued by numerous issues, which collectively deliver death by a thousand paper cuts towards the earnest chance that Shaman King ever becomes a wildly popular franchise.
Source：https://www.cbr.com/shaman-king-unluckiest-shonen-franchise/
