Your L doing a freebie was a nice gesture and goes to show that there are some decent ones out there.
I hope that I am wrong but I have the impression that ex is a little too stirred up to accept your lawyer's reply.
As for forgiveness, it is a huge topic. But I think it is possible to forgive her especially if ye all agree she wasn't/isn'tin her right mind. Many texts have been written outlining that forgiveness benefits mostly the forgiver.
Best wishes as always
R 25 years M 14 years S11 & S13 Working on it alone since Oct 2014 M in trouble a lot earlier (~2 years) Feb 2016. 1st R chat in a yr. Next R chat Aug'17 Still together