Third Deep
From Tolkien Gateway
The Third Deep was a level in Khazad-dûm that had treasuries and armories. It was below the East Gate of Moria. During Balin's short recolonization of Moria, he sent Óin to find an access to it.
The Third Deep was a level in Khazad-dûm that had treasuries and armories. It was below the East Gate of Moria. During Balin's short recolonization of Moria, he sent Óin to find an access to it.