This is a posable action figure from the figma series.
Adapted from Good Smile Company:
From the PS4 action RPG "Bloodborne: The Old Hunters" comes a figma PLUS set featuring a variety of different weapons to display with your figma! The set includes the Hunter Blunderbuss, the Hunter Axe, the Whirligig Saw and Ludwig's Holy Blade. The Hunter Axe, Whirligig Saw and Ludwig's Holy Blade come with interchangeable parts to display them in their transformed forms. Special attachment parts are included to display the Whirligig Saw and Ludwig's Holy Blade on the back of figma Hunter (sold separately). Hand parts to display figma Hunter holding each weapon are included.