In regards to how Oriana treats other NPCs in multi conversations. Oriana tends to be more warm, open, and friendly with NPCs if the player has a high relationship score with those NPCs. And more reserved, stoic, and cold with NPC's the palyer's have lower scores with. (minus Celandine of course,)
I noticed this when I had a multi conversation with Oriana and Rosalyn, I had both with max rep, and Oriana was open and friendly with Rosalyn. Same with Mirel, both of which I was surprised to see. I then later talked to Darian, who I had around 40-49 rep score with and Oriana was noticeable more reserved, stoic, and said less, but still respectful, and it seemed to be because Darian was present, but she went back to acting normal at max rep when I talked to her without Darian present.
This was all back in the 1.1.* and 1.2.* releases, on Nemo, but I wanted to share this since it's niche information I noticed, and I'm curious if you've noticed similar encounters like this?