Ok so i decide that i did not want serana to be a vamp anymore. so i had her go to florian to go get curred of vampirism. she said that she would return home, (fort dawnguard) soon. she did. within about 4-5 in-game days. i greet her sitting on a bench (inside fort dawnguard) and i have to select to talk to her, she dose not come to me once im inside. she says shes no longer a vamp and she can breath again and what not. oh happy day. as soon as she finishes talking she just walks off and i cant even begin another conversation with her asking her to follow me. some one please help, i really enjoy serana's company. thanks in advance.
This is what I have found on this issue, wish I had better news if you dont have a "save file" ready:
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