Uzume

Uzume is the mayor-figure of the town Izumo, the older sister of Susa, and an NPC in Golden Sun: The Lost Age. She is an Adept who can use the Move Psynergy.

After defeating the Serpent in Gaia Rock and the cutscene where Uzume, Susa, and his fiance Kushinada thank you, give Uzume the Dancing Idol and she will reward you with the Mars Djinni, Coal, and she will say she will be able to explore Gaia Rock on her own in the future.