Im playing D's route and I keep getting unsteady after the little court thing in chapter 12, I can't figure out how to successfully defend D
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Pretty sure you need to have dismissed the whole court of law back in that earlier chapter after the coronation, because that ensures you don't have too much opposition- you need to favor the public in order to unlock the option to dismiss them! I've found a good way to do so is by: telling the public (not the nobles) about the assassination attempt, arrange extra festivities during the coronation ONLY for the public, condemn the guy during the ceremony, and to agree with the artists during the coronation feast. I believe I've done it before without condemning the guy if you don't wanna do that though
This is accurate, but to add: if you can't dismiss the Office of Law, having either Lady Naza as an ally (you'll need to win her respect for her to apply to your court) or Minister Awir as an ally (you'll need points with the elites to unlock this option: not just agreeing to his proposal but suggesting a long-term alliance) will also lead to a successful defense!