Doctrine of Ghul

Publisher's blurb: Ghul. The creator of Goth Gulgamel, the fortress halfway up the Spire. Self-proclaimed offspring of Eslathagos Malkith—who himself created the wicked citadel at the top of the Spire, one of the most innately evil sites in the world. Lately, talk has been swirling around Delver’s Square—talk of a newly uncovered ancient manuscript scribed by the Half God himself. ... Suitable for 5e characters of roughly 5th level, or Cypher System characters of roughly second tier.