A Key to the City - Dragon Age Guide - IGN

This side quest is a rather random one, since you won't actually learn of it until you've read all of the necessary codex entries around Orzammar.

Eldin - The Legend of Zelda: Tears of the Kingdom Guide - IGN

Elven Alienage (Pre-Wedding, I) - Dragon Age Guide - IGN

The Threat Remains - Dragon Age Inquisition Guide - IGN

Characters of Dragon Age: Origins - Wikipedia

The Elven Ritual - Dragon Age Guide - IGN

Vigil's Keep (IV) - Dragon Age Guide - IGN

Walkthrough - Dragon Age Guide - IGN

Characters of Dragon Age: Inquisition - Wikipedia

The Key to the City, Dragon Age Wiki

Areas - Dragon Age Inquisition Guide - IGN

Dragon Age: Origins [Walkthroughs] - IGN

Dragon Age: Origins Part 88: Key to the City

Ultimate Key Doors - Dragon Quest XI Guide - IGN