From your description of the map the torch projected onto the wall, Geirfast thinks the secret chamber must lie somewhere within Nud-melek, perhaps in the southern part of the Second Hall.
'I cannot wait to discover this new map's secret! It looks as though it may show a destination to the south-east of here. Were I you, I would search within Nud-melek -- let's see, you said it curved downwards... perhaps the southern section of the Second Hall?'
The entrance lies somewhere in Nud-melek, south-east of the Twenty-first Hall, perhaps the Second Hall.
Geirfast has asked you to find the entrance to the secret chamber depicted in the shadow-map.
Geirfast is at the Twenty-first Hall, north-west of the Second Hall.
You should return to Geirfast to tell him where the chamber is.
Geirfast is at the Twenty-first Hall.
You should speak with Geirfast when you are ready to travel.
Geirfast is at the Twenty-first Hall.
You should return at once to Geirfast.
Lenglammel is encamped at the Shadowed Refuge.
Geirfast suggested you speak with the Elf Lenglammel.