Meeting the Archduke

Introduction

To get a meeting with the Archduke, you have to prove that you're an ally of the Dukes. Many inhabitants of the Den - and maybe elsewhere, who knows? - would be willing to give you recommendation letters. Come back when you have enough recommendations.

Cunclusion

Perfect, everything seems to be all right. Go to the palace; the Archduke will receive you in the lounge used for distinguished guests.