" Winter Dark, or Corestmas. In fact, it’s the most important holiday of the year. We celebrate it on the longest night of the year, a night lasting a full five days in Sormaheine,” said Baltsaros, his expression distant. “It’s about surviving through the darkness together…” He "

― Bey Deckard , Careened: Winter Solstice in Madierus (Baal's Heart, #3.5)