Anyone can say what ever they want. If she can solo it w/o bugs exploits at lvl 8. Then it's wrong and to easy. And adding 30 hp as extra will not change anything . Someone at Larian pls look at this, see how wrong is it AND change it . The main reason D4 failed because the content was not challenging and it became boring. Now only 3 ppl watching D4 and it became a mean.
I think if the player character can build 49 armor class then a boss can have 30 as well.
It's fine, she is using Illithid powers, meta knowledge and every possible buff regardless of story consequences. You are meant to be able to solo it with all that. Also, at least in that fight, she is using Dame Aylin as a meatshield.
Her tactics are solid, which is nice to see. Also she struggles with decisions from round to round which means it's at least still challenging.