Túbi Thickfist is curious about any relics that may linger in the Chamber of Deep Thought near Durin's Threshold.
'If you happen to pass the Chamber of Deep Thought while you search for my friends, would you mind investigating it? Such a place may hold many relics that would be invaluable to the dwarves.
'If anything catches your eye, feel free to investigate.'
The Chamber of Deep Thought is east through the tunnel from Durin's Threshold, then south.
You should search the Chamber of Deep Thought for any relics of interest.
The cocoon is in the Chamber of Deep Thought in the west of the Great Delving.
You should search the cocoon for anything that might be of value to the dwarves.
Túbi Thickfist is at the top of the stair of Durin's Threshold.
You should return to Túbi Thickfist with news of your search.