Return of the Elf King (Hetalia)

Once upon a time, humans discovered the lands of Naraia and the inhabitants who dwelt there, from elves to fawns to merpeople to dwarves. All dwelt in harmony, until a human discovered dark magic. Forbidden by the elves to use such magic, the humans together with certain inhabitants rose up against the elves. Because of this, a tragic war ensued, one that soon let death spread throughout the land. All hope was lost when the elf king was killed. At least, that is what they say. Some believe the legends that say the elf prince survived and is now waiting for the perfect moment to take back his throne....