'The first order of business: I have noticed a number of deep-claws roaming awfully near to the Dolven-view, haven't you? I think there is a great nest of them nearby.
'They are mild enough beasts, but their tunnelling cannot be borne. It is dangerous, and I think it is the very reason for all the pitfalls, collapses, and general rumblings in Moria.
'Let us lessen their numbers a bit. What do you say?'
Deep-claws roam the great Delving, especially naer the Dolven-view. These monstrous tunnellers make the deeps unstable.
Deep-claws can be found in the Great Delving, especially on the east path from the Dolven-view.
You should defeat many deep-claws in the Great Delving, but it would be wise to focus your attention on the east path towards Zelem-melek.
Wafri is in the Dolven-view camp in the Great Delving.
You should speak with Wafri and tell him that you've defeated many deep-claws in the surrounding area.