Uberium

Uberium is a fictional element that appears in the Marvel Comics universe. It is primarily associated with the character of Thor and the planet Asgard. While not a real-world element, in its fictional context, Uberium is depicted as a rare and incredibly durable metal. Its unique properties are often harnessed by Asgardian smiths to create powerful weapons and armor for their gods. The exact atomic structure and properties of Uberium are not scientifically detailed, as its existence is purely within a fantasy narrative. It serves as a narrative device to explain the exceptional strength and resilience of Asgardian artifacts. Comparisons are sometimes drawn to other fictional metals like Adamantium or Vibranium, emphasizing its legendary status within its fictional setting. Its discovery and origins are typically attributed to the skilled craftsmanship of the Asgardian dwarves. Uberium's presence contributes to the fantastical elements of Thor's mythology and the visual representation of Asgardian technology and weaponry.