Synopsis

The protagonist, after a period of being trapped in a tower, aggressively demands answers from his captor. The captor reveals the tower is a tutorial designed to train individuals with 'achievements' and how it is currently in a state of 'regression' and explains that the protagonist's tenacity and past actions of using nuclear devices to prepare for the world's destruction made him a special case. The tower was originally designed by five people but was taken over by three of them and the captor, one of the original five, is hiding from them. Finally, it's revealed a 'conqueror' is approaching the protagonists floor.