Metalbenders are individuals who possess the unique ability to manipulate metal using bending techniques. This skill is an advanced form of earthbending, which allows them to control and shape metal objects, making them highly valuable in various situations, such as construction and combat. In the world of Avatar: The Last Airbender and its sequel, The Legend of Korra, metalbending was first introduced by Toph Beifong, a skilled earthbender. She discovered this ability while trying to escape from captivity, showcasing the potential of bending beyond traditional elements. Metalbending has since become an essential skill among certain characters in the series.