That's one of The Fallen.
To memorialize those who've given their lives during the Elf-Dwarf War, the Duke had their weapons planted in the courtyard. Each one represents a Dwarf from the mountainhome who'd fallen; your dad takes their deaths particularly hard. They wore his armor, after all.
Whatever, you're just thrilled to be out of here. In just a few seconds, you'll be beyond these cramped walls and into the open, where the world awaits!
You're an adult, you're a dabbling cheesemaker, and you're on your way to becoming the greatest Dwarf who ever lived.
Your name is Mistêm Kolnåzom, and you