Nos Grimsong is first met when he his assisting the Elvish expedition at Edhelion Watch, about two years before the current period. He is concerned at what the Dourhands have done at Thorin's Gate. His concerns continue into the current period where he is keeping track of what they are doing in Vale of Thrain area of Ered Luin.
Nos Grimsong (Edhelion Watch)
Nos Grimsong greets new Dwarves and Elves on arrival at Edhelion Watch, in Ered Luin, and later helps them in combat.
- "It galls me to see what those Dourhands have let happen to the place."
Nos Grimsong (Thrushstones)
Nos Grimsong is camping near the Thrushstones in Ered Luin gathering information about the Dourhands and their thievery.