The refusal to give them the reaction they are baiting you for.

The willingness to keep your head, and gather the truth, and route it, patiently, to the one place their power cannot reach.

Roy Prescott wanted a fight with a furious soldier, because a furious soldier he could beat.

What ended him was a calm one who declined the fight and won the war with a recording and an encrypted email.

That is the whole of what I would tell anyone facing a powerful person who has wronged them: do not give them your rage.