You’ll have to make vital decisions that shape the course of Tamriel’s future.
In these conversations, you lay the groundwork for convincing Serana to become human again.
When prompted, ask Serana"Were you always a vampire?
“Proceed through the conversation normally until she explains the ceremony she went through.
Instead,ask her if she’s all right.
Once the questline is complete, you could pursue Serana’s cure.
Speak to Seranaonce Harkon is gone, and ask if she’s ever thought about getting cured.
She’s cured of vampirism, but that has other implications for you.
The choice to cure Serana is a personal one thatadds more roleplay valuethan anything else.
Serana is introduced Skyrim expansion Dawnguard.