Daenerys Targaryen’s final refuge might have very little to offer

Spoilers ahead for Game of Thrones, season 8, episode 2, “A Knight of the Seven Kingdoms.”
In Game of Thrones’ season 8 premiere, Yara Greyjoy tells her brother Theon that she’s planning to sail for the Iron Islands to reclaim their home and to carve out a space where Daenerys Targaryen’s army can go if the stand against the Night King fails. “Daenerys will need somewhere to retreat if they can’t hold the North,” she says, “Somewhere the dea