The Possession Vigor is a distinctive, ornate glass bottle with a swirling, luminescent blue liquid inside, embodying the Art Deco and steampunk aesthetic of BioShock Infinite. The bottle features geometric patterns etched into its surface, with brass fittings and intricate engravings that suggest its mystical properties. The liquid within emits a soft glow, casting dynamic light patterns that highlight the bottle's detailed craftsmanship and otherworldly nature.