A series of an alternate reality tribal weapons.
The Obsidian Club is used in ritualistic ceremonies and warfare.
The Mystic style Basalt club is used by a tribe of mystics from a volcanic island. The blue crystals create a magnetic field, allowing a cluster of smaller stones to be suspended and orbit around the club head.
Based on concept art found on Pinterest. If anyone knows who the concept artist is, please let me know in the comments.
https://au.pinterest.com/pin/454371049891140869/