The dialogue that cracks me up is when he tells you 'if you continue to get between me and what I want, I will have to find a way through you'. I can't take him seriously when his threats sound so playful and seductive.
And in what case does this dialog occur? I didn't have that either.
When you absorb the new tadpole or keep it in your backpack and refuse to share with Astarion.
Astarion's behavior without Ascension, in my opinion, does not differ much from Astarion in the second act (other lines, yes, but in general almost the same), only he is "faded" and more serious, and in the second act he was much more playful. The Ascended is also playful, but he does it more proudly.
It seems like he loses some of his sense of humour and becomes more melancholic. I mean, I still love him no matter what happens to him, but I simply feel sad when I watch vids with non-ascended Astarion. He sounds mournful, misses that mischievous look in his eyes, looks rather depressed. At least he gets a bit better in the new epilogue.
This video makes interesting comparisons between him in act 2 and 3, where you can clearly see how he's more reserved and less joyful.
Originally Posted by Marielle
Yes, Astarion is clever, he often gives out such interesting statements - even write them down, aphoristic, ironic and quite aptly "hits the target", exposing the essence of the phenomenon he is talking about.
His comments are very insightful and funny. I kept him in my party the whole game because I enjoyed them so much.