'House of the Dragon' Season 2 finale: Daemon's strange vision of Daenerys, explained

It's almost impressive how little Daemon Targaryen (Matt Smith) has actually done this season of House of the Dragon, but he's certainly seen some things.

Ever since he arrived at Harrenhal for what has to have been the easiest conquest ever, Daemon has been having some pretty strange hallucinations — including a young Rhaenyra (Milly Alcock), a sex dream about his dead mother Alyssa (Emeline Lambert), and glimpses of his half-rotten brother Viserys (Paddy Considine).

In the finale...