Super Saiyan 2 is a powerful transformation in the Dragon Ball series, first introduced during the Cell Saga. It is an advanced form of the Super Saiyan transformation, characterized by increased strength, speed, and energy output. The transformation is visually marked by a more intense golden aura and spiked hair that stands even taller than in the original Super Saiyan form. To achieve Super Saiyan 2, a fighter must experience intense emotional stress, often triggered by a significant event or loss. This transformation is notably used by characters like Goku and Gohan, showcasing their growth and determination in battles against formidable foes.