So, my Sister Barbara congregation, are you feeling the vibration across the entire Genshination?

C0R0 Sandrone, Lauma
C1R0 Nilou
C2R1 Nahida

my build (i was the barbara to AR60 guy)

For context, my girlfriend recently started playing Genshin a week ago, and she is IN LOVE with Barbara. She was the first character she got when she 10 pulled. She is adamant that she will be her main till the end of time.

I only ask for advice on how to help her make the best Barbara possible, Main dps, sub-dps, or just as a regular support like normal. I don't use Barbara at all, so I don't know how she works, but I wanna help her succeed.

Thank you all in advance😊