The violent event known as the great battle of the gods in Norse mythology is Ragnarök. This apocalyptic event involves significant battles among the gods, leading to immense destruction and the eventual rebirth of the world. Key figures such as Odin, Thor, and the giants partake in this final confrontation, representing the clash between order and chaos. The conclusion of Ragnarök emphasizes the cycles of destruction and renewal, illustrating fundamental themes in Norse beliefs about fate and the inevitable nature of conflict.