Henadic Theologian
Legend
Its Darksun, we know its Darksun, the size and timing, the fact that nothing else has been hinted at in the UAs. I think Golly isn't a hint, just a code name.
Or the Y, if "GOLLY" is indeed an abbreviation (it probably isn't) is a proper name.The are a surprisingly low number of nouns that begin with “Y”. “Golly” might just be an expression of excitement.
Unless it’s Yog—Sothoth, Y is an unusual initial letter for proper names too, and the double Ls as adjectives don’t help.Or the Y, if "GOLLY" is indeed an abbreviation (it probably isn't) is a proper name.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.