In Kakan Dock, hunt Lahom Clan Remnants and Lahom Clan Stragglers and collect Rum. Then talk to Drake King in Epheso. Use your quest tracker to see your progress.
Camelot King: What do you think? How is this place compared to Lakia? NakanoAzusa: Like I said, it's extremely cold... HiiragiKagami: It's even hard to move... Camelot King: Haha, of course, you not wearing anything! NakanoAzusa: What? I'm wrapped up tight in my armor!?! Camelot King: Armor's not the problem. Actually this cold is not Camelot King: something that one can bare. Without special measures. NakanoAzusa: You sent me out unprepared? HiiragiKagami: It's too much~ Camelot King: I just wanted to test your will. Don't think it's unfair. Camelot King: You passed, so I'll teach you how to deal with the cold. NakanoAzusa: Please teach me n-n-now. Sh-sh-shivering. Camelot King: The Lahom Clansmen carry what they call 'Rum', defeat them, Camelot King: and bring thier Rum to me.
Reminder Dialog
NakanoAzusa: Are you going to make medicine with the Rum? Camelot King: I- ...I will tell you later. For now, just bring it to me.