Gameknight999 loved Minecraft, reveled in building fabulous structures, playing on servers, creating custom maps, but most of all, he loved to grief. As the self-proclaimed King of the Griefers, Gameknight played the game for himself at the expense of everyone else, keeping the list of his friends in the game short, extremely short. But when one of his father's inventions teleports him into the game, Gameknight is forced to live out a real-life...

An evil army threatens to destroy all of Minecraft in the third Gameknight999 adventure! The ghast king Malacoda and the terrible enderman Erebus have led their monster army to the server that houses the Source, with plans to destroy Minecraft and all the digital lives on its servers before escaping once and for all into the real world. Only Gameknight999, the User-that-is-not-a-user, and his small army of NPCs can stop them. But the monster horde...