Final answer:
The question asks about a character named Lina, but the provided texts are from Henrik Ibsen's 'A Doll's House', and they do not include a character named Lina. Instead, they detail Nora's conversation with Mrs. Linde about taking responsibility for her actions.
Step-by-step explanation:
The question appears to be about a character named Lina and her actions within the context of a story, possibly one from a film or play.
However, there seems to be a mistake. The texts provided in the question are from Henrik Ibsen's play A Doll's House, and there is no character named Lina who threatens anyone in this play.
Instead, the dialogue reveals Nora's distress and her intention to take sole responsibility for an unnamed deed, imploring Mrs. Linde to be her witness.
In the provided texts, Nora expresses to Mrs. Linde her resolve to protect others from the consequences of her actions, showing determination and willingness to face the repercussions alone.