Nyx, the girl who saved Leina. One night, on the orders of a certain foul-tempered young lady, she ventures into a mountain cave to draw water. There, her foot slips, and she's plunged into despair.
However, in that very cave, Nyx encounters a hidden relic that will change her fate. "What is this... a staff? There's something carved into the wall... 'Great Treasure Funikura...' Funikura? Perhaps it's the name of this staff. Let's see... 'Those who seek power, offer thyself. With ruin as the price, I will grant thee authority to rule over Fire...' I wonder what this could mean..."