Originally Posted by LiryFire
For example, Astarion was once in Menzoberranzan and killed a gnome there for fun.
Astarion barks. If you poke at his portrait during battle.
[Linked Image from i.ibb.co]
How, way and when? To do anything in Menzoberranzan, a high elf has to be quite a jerk, as someone who has been playing dnd for a long time told me. And most likely mortal. (I don't think that's a joke, let's put it that way)

This one, like some of the lines that trigger when you spam the portraits, is a reference and not meant to be taken as canon, necessarily. This is what's being referenced:

"I shot a man in Reno just to watch him die"
If we take the easter egg lines as canon, then I guess Edgar Allan Poe is also a thing in Faerun.
/Not/ saying this isn't in character for Astarion, because it is, but I'm pretty sure it doesn't mean that at one point he was in Menzoberranzan and did that, it's just a silly reference. This is directly contradicted by the dialogue he has when you first enter the Underdark and he says he's never been there.

Also, regarding the two first dialogs you screenshotted: These were present and animated in EA, I remember them. I don't think the reason why they got cut was related to the writing changing since it happened for all companions, but I don't know why they did it, and I think it's a shame.