The story of Diablo is based on the premise of a war between Heaven and Hell. The town of Tristram is under attack by hordes of demons, pouring forth from beneath the ruined Tristram Cathedral, and the player must save the town. As players delve into the network of Dungeons and the Caves beneath the Catacombs, they discover more about the Demon Diablo, through large tomes that are found throughout the levels. Eventually, players reach the lair of Diablo and must kill him. Below are the characters on the site that cosplayers have depicted from the Diablo franchise.