The Executioner

Cardin's Mace is Cardin Winchester's weapon of choice.

Description
Cardin's Mace is a large, black mace, with the flanges being extended farther outward than a regular mace would with a presumably decorative gem in the middle, although this may be some form of Dust, like the chambers in Weiss' Myrtenaster.

It also has a button above the hilt, suggesting that, like many other weapons, will be able to transform into something else, or otherwise possesses an extra function. Cardin is capable of wielding it one-handed, hinting at either Cardin's impressive strength, or that it is relatively lightweight.

When Cardin fights, he uses the mace in combination with his own impressive strength, not relying solely on his weapon. In Jaunedice, Cardin effortlessly disarms Jaune Arc of his shield during their practice match. He then uses the shaft of his mace to block Jaune's attack before hitting Jaune hard with his knee, downing him and effectively ending the fight. In Forever Fall, Pt.2, Cardin attempted to defend himself against an Ursa Major using his mace but was disarmed in a single swipe from the Grimm.