Wamuu is a major character featured in Battle Tendency. He is a Pillar Man warrior in the service of his superiors Esidisi and Kars, also serving as a personal rival to Joseph Joestar on his journey. The Wedding Rings of Death are artifacts that use the Pillar Men. They are hollow rings of an unknown material with a highly potent venom and created to dissolve in a human body within approximately one month. A JoJo's Bizarre Adventure cursor with Wamuu and Wedding Ring of Death.