while constantly regenerating all damage sustained using Cantus, denying him the salvation of death. It was the ultimate punishment.

But, mother... this is quite a sizable contribution and the crime doesn't befit such a harsh punishment.

Your Grace, the population demands she be punished. Syanna's committed terrible crimes, spilled so much blood. They--

Your life was never threatened. The court considered various punishments, the death sentence was not among them.

Courtiers were insisting on a harsher punishment, much harsher. Think Anna Henrietta had to protect her sister from a lynch mob as much as she wanted to protect her subjects from a criminal.