I usually don't post here, but
The amulet on the little girl's neck was Gaelic (Celtic) in origin, which implies came from the land of Gaul, just like M'Lila and Nik'lio. By uttering "only her can save me", Xena was referring to Nikl'io, the Gaelic healer., thus requesting Gabrielle to take her to see him. Elementary, Watson.