With Season 3 wrapping up, House of the Dragon is heading towards the end of it's run with a fourth and final season. The season 3 finale of the Game of Thrones spinoff continues changing the George R.R. Martin source material to suit it's episodic tv need on HBO and HBO Max, but will these so-called "toxic butterflies" pay off for Ryan Condal and the creatives behind this adaptation of the Dance of Dragons? Check out the finale's ending explained and what you can expect from season 4 (and the series finale) of House of the Dragon.