Agatha did not hide anything, in front of this kindly being who had stepped in to save Frost from the brink of destruction, she laid out all the intelligence she had gathered.
Part of this intelligence was what she had observed and deduced herself during the operation in the mirror Frost, while the other part came from what she had learned through indirect inquiries from various clerics and her trusted subordinates after returning to the cathedral—events that had happened while she was trapped in the city of mirrors.
It was the experiences of "another her."
