Make her write in her own blood for hours on end, and when she’s at the brink of death, sectumsepra her, and then give her the dementor’s kiss

I don't want to go to Azkaban

Maybe let her drink the Veritaserum

Imperius curse to make her use that blood ink pen for 7 years straight

She can rot in Azkaban.

Imperius to make her use the blood quill for a year to chop off her hands

Ew. But she deserves it.

Kill her is going a bit too far------------

Imperio/Crucio her until she tells all her secrets, force her to write in the blood ink pen, send her to Azkaban for a few decades and if she is still alive kill her.

@Broadway1234 Well look at all the mean things she's done.