"The Veilguard remains vigilant"

One of the dead spirits that Emmrich can temporarily re-animate in the Necropolis is likely connected to the origin of Rook Ingellvar, as their lines change depending on Rook’s chosen pronouns.

Spirit: Stumbling... the steps... Spirit: ...skeletons saw... Spirit: Oh... no choice. Spirit: ...had to be brave... had to be brave... Spirit: ...too late to cry... If Rook is a female Mourn Watcher: Spirit: ...saved the girl with the grave. If Rook is a male Mourn Watcher: Spirit: ...saved the boy with the grave. If Rook is a non-binary Mourn Watcher: Spirit: ...saved the child with the grave. Otherwise: Spirit: So many graves...

its a really hard choice so i've made you a helpful infographic to assist your decision <3

In two hundred years there will be a Professor Volkarin in the Grand Necropolis teaching a new generation of Watchers on how to tend the dead and protect the living.

And it will be either a lich, carrying on his good work out of memory for the skeleson who saved his life.

Or an articulate skeleton carrying out his father’s legacy.