|To Start: Speak to Geoffrey in Royal Palace.
Geoffrey says,"It doesn't add up. History doesn't forget about you if you're in the royal family, and especially not if you were Ayani's twin!
There must be something more we are missing.
Perhaps you could check around Sanctuary, there must be someone who knows their history...
Why is there little to no mention of Darkthorne in the annals of history? Perhaps a learned resident of Sanctuary knows more.
This is an Errand quest. This quest will advance the Adventurer job.