Potential Queen of Hatred Don mechanic if PM weren't cowards

Every few turns you have to get 3 of your Sinners killed or she instantly corrodes and turns into an enemy for the rest of the encounter.

Now for a more serious theory: she might have a similar sanity mechanic as Captain Ishmael where she loses it when someone besides her kills an enemy. This is how QoH works if you get her help for a suppression and you are dping the last hit on an Abno