When creating The theory for his future series, Mashima originally anticipated employing A further sword and sorcery location similar to his earlier manga, but decided on making a "Room fantasy" journey as a consequence of an absence of such modern shōnen manga; he coined the phrase "Room fantasy" from https://privatebookmark.com/story20056635/the-smart-trick-of-edens-zero-that-no-one-is-discussing