Aemond Means to Found a New Kingdom

Aemond's pivot away from the Iron Throne is a sincere political and dynastic reorientation, and the show has not yet revealed whether it is his plan or Alys Rivers's plan spoken through his mouth. When he tells Alicent that Rhaenyra will fail and that he intends to raise his own throne in the mud of the Riverlands with a new line of unsullied kings, the language belongs to someone repudiating the existing contest entirely and proposing a third dynasty on different terms.

The phrase 'new line of unsullied kings' carries the theory's full weight. It implies Aemond has accepted that the Targaryen bloodline as currently constituted, mixed, distributed among dragonseeds, contaminated by his own brother's compromised claim, is past saving. His dynasty at Harrenhal would be built on purity and chosen succession. What the prior episodes have established is that Alys did not wait for Aemond to reach this conclusion on his own. She has been building toward it: offering sons, a title, an ancient seat, and five dragon eggs as physical proof that she alone prepared a future for him. The declaration Aemond makes to Alicent is the output of a process Alys has been running since his arrival at Harrenhal, one calibrated to a man whose psychological need was to be chosen rather than merely tolerated. She gave him a dynasty to want before he knew he wanted one.

Alys sits at the center of this design, actively working to isolate Aemond from Alicent, whom she names a threat before Alicent acts on her poison. That Alys identifies the danger in advance suggests she has either foreseen it or assessed Alicent's character with a precision Aemond himself could not manage. In either reading, she is the one doing the strategic work.

Alicent's poisoning of Aemond does not disprove his plan. It exposes whose plan it actually is. If Aemond survives, he loses his mother and retains Alys, which would confirm Alys as the sole architect of whatever Harrenhal becomes. The vision of a new dynasty would belong entirely to her, and Aemond's proclamation would function less as a king's declaration than as a promise he made to the woman who built the conditions for him to make it. The question the show has not answered is whether Aemond knows this.