Why does the brigand leader keep killing me?

Hint 1 of 9:

Have you talked to the warlock in the previous room?

Hint 2 of 9:

By now, you should have heard a lot about the Baron's family.

Hint 3 of 9:

And about this warlock.

Hint 4 of 9:

The warlock laughs a lot.

Hint 5 of 9:

And so did the jester that ran after Elsa.