At the end of the Dead Trenches, you'll meet up with Hespith (#25) and the broodmother (#31), and you'll learn that Branka somehow encouraged or forced their transformations, but they won't tell you why.

Inside the Deep Roads, you'll need to make your way through Caridin's Cross, the Ortan Thaig, and then the Dead Trenches. You'll have to add Oghren to your party when you enter the Anvil of the Void, so you might want to go ahead and include him now so you can get him some gear first. He'll insist upon joining you for the trip, and he'll become available as a companion. When you approach the entrance to the Deep Roads, you'll be stopped by Oghren, Branka's husband. However, if she could be found and swayed towards one of the candidates, then 'anyone with her support could take the throne unchallenged.' Your candidate will then ask you to search for Branka, which will allow you to enter the Deep Roads (if you hadn't gotten permission already). The candidate will tell you that the dwarves only have one living Paragon, a smith named Branka, and that she left for the Deep Roads two years ago. Regardless of your candidate, when you return to him after completing the second task, you'll learn that the Assembly is still deadlocked, and so one last task is required. Orzammar Commons, the second task is covered in the location entry forĭust Town, and the third task is covered here.

The first task is covered in the location entry for the To gain the support of the dwarves, you'll need to help them elect their next king, which will involve you choosing one of their candidates and then completing three tasks for him.

Dragon age origins the dead trenches