In another bout for the Ancestor, serving the Blood from the Countess to the aristocrats has been up for debate.In short, it's Unreliable Narrator to the max. And on that note, is the Heart the source of humanity and as invincible as the ending cinematic claims, or is it an alien corruption that could someday be utterly destroyed? As mentioned on the main page, there does seem to be some level of genuine divine power bestowed by the Light, and perfectly ordinary guns and swords can damage the Heart. Did he truly regret his actions, or was it all an act so that the Heir would come and sacrifice more souls to the Heart of Darkness in their crusade? He claims that he killed himself to both deny the villagers justice and become the Heart's avatar, but it might not really be the Ancestor speaking - it's possible that the Heart just assumed his form, or made him its puppet, or is creating an illusion to try breaking the Heir's mind before it's killed (which does succeed, albeit a bit too late). The final dungeon brings up a ton of this for the Ancestor.

The darkest dungeon journal page