Ring Of The Nibelungs -

The "preliminary evening" where the dwarf Alberich steals gold from the Rhine maidens to forge a ring of ultimate power, sparking a conflict between gods, giants, and dwarfs.

Wagner’s concept of a "total work of art" aimed to unify music, poetry, drama, and visual design into a single, cohesive experience. Ring of the Nibelungs

It appears as a powerful artifact in games like Marvel’s Avengers and has been adapted into dedicated adventure titles like Ring: The Legend of the Nibelungen . The "preliminary evening" where the dwarf Alberich steals