Moska assigns Dust the following quests: Reunion and Number One Fan. Moska admires Dust as a hero and would like to help him even though he doesn't ask for help.
After the quest Reunion, Sarahi joins Moska at the same spot as she is being taken care by him. Moska asks Dust for an autograph to remember him. Moska does follow Dust when going to the hidden cove to find Sarahi but doesn't appear until Dust reaches her.