Caduceus commonly referred to and addressed Caleb formally as "Mister Caleb." He has expressed to Caleb that he thinks the world is shaping Caleb into some thing critical, and that he wants to make certain that he assists Caleb reach that point. Doing so provides edge on melee weapon attack https://tortleranger03567.educationalimpactblog.com/50175181/the-smart-trick-of-female-rock-gnome-dnd-that-no-one-is-discussing