Eliminate Caelium Titan in Skadi's Eye and collect 10 Pieces of Caelium Titan. Talk to Milton Oustin in Skadi's Post. Use your quest tracker to see your progress.
Milton Austin: NakanoAzusa, NakanoAzusa!! NakanoAzusa: What? Again? Milton Austin: I'm going with you. NakanoAzusa: Why... What purpose would you serve? Milton Austin: I'm going to collect Caelium. There seems to be a lot Milton Austin: in Traband but that's 'cause it's all close to the surface. NakanoAzusa: Really? Didn't we start the Exodus plan because this place NakanoAzusa: is so rich in caelium? Milton Austin: I don't know about other places. But it's hard to find a lot here Milton Austin: 'cause it's all getting absorbed by the Caelium Titans. NakanoAzusa: Then we should eliminate Caelium Titans to get their caelium. Milton Austin: That's why I'm going~ NakanoAzusa: Oh... then, me too!
Reminder Dialog
Milton Austin: If you deal with them, I will collect the caelium.