This includes input from FrozenFire3, Budj, Alia of the Knife and theguyfromthevale. Speaking for myself, this vision in Dany's House of the Undying is easily the hardest to pin down. Most of the ones we see are pretty easy to figure out or at least there's a good consensus on the solution. Stannis is the blue-eyed king without a shadow, the blue flower in the ice wall is Jon, the mummer's dragon is probably Aegon. In the "slayer of lies" triplet, we get this: What