After the events of Earth and Water. Finn starts to notice that more and more people are moving into the ungoverned Grasslands. Soon enough tensions between cities and kingdoms start to get out of control. So, Finn decided that enough was enough and pushed to unite the Grasslands under one flag, one nation. A Republic. I DO NOT OWN ADVENTURE TIME, but all grammar mistakes are mine

When a kingdom loses it's royalty and they have no heir... what lengths would they go to.. to restore the balance? When a human wakes up in a room with no door and no window with the fact he's human being the only part of his memory how will he react when he finds he's arrived in the land of Ooo along the time of it's greatest Hero.. Finn the Human.

At long last, Finn was granted the gift of maturity, but a gift received out of pain and labor. Now, dedicated completely to the needs of the many rather than his own doused heart, his heroic skills have been called upon to aid the land of flames. How far will he go to protect the Fire Kingdom, and will he be willing to give himself one last chance with its ruler?