House of the Dragon star Phia Saban is weighing in on the significant changes made to her character, Helaena Targaryen, in the HBO adaptation of George R.R. Martin’s Fire & Blood book. In the season 3 finale, a pregnant Helaena, who was being held captive by Queen Rhaenyra Targaryen — played by Emma D’Arcy — died by suicide upon realizing she and her unborn child would likely never be freed but used as pawns in the battle for the Iron Throne. In Martin’s Fire & Blood, Helaena is not pregnant when she throws herself from a window and impales herself on the spikes below. She is, instead, mourning the death of her third child, son Maelor, who…