Nami: Into the Abyss

Deep in the oceans of Runeterra, the Marai are protected from terrors by the light of a moonstone. Through an ancient ritual, the Marai choose one of their people to dive into the abyss and retrieve an abyssal pearl, which is exchanged with a landwalker for the moonstone. Their chosen Tidecaller has not returned. Nami, a headstrong girl of the Marai, decides to descend into the black before the moonstone's light dims forever…