(Image credit: Random House Worlds, Wizards of the Coast, Eleonor Piteira) You say "Astarion backstory" and I'll show you a very long list of fanfics, but for anyone who's already exhausted that catalog: today's a big day. There's going to be an official prequel novel for your sad, sexy Baldur's Gate 3 boyfriend this September. Oh and yes, Neil Newbon's recording the audiobook version, obviously. As reported by Polygon , Wizards of the Coast and Random House Worlds have announced a partnership to publish four projects "centered around [Baldur's Gate 3's] immersive lore and unforgettable characters" this year beginning with Baldur’s Gate 3: Astarion —though the other three are a cookbook, coloring book, and journal—and plans for more collaboration to be revealed "for 2027 and beyond." Article continues below What backstory? (Image credit: Wizards of the Coast) If you need a (spoiler-filled) refresher on Astarion's backstory, you can find it discussed in our interview with his voice actor Neil Newbon.…