B.P.R.D.: The Black Goddess #3

As Johann faces the fight of his life, Abe and Kate learn the story of
Victorian occultist Martin Gilfryd's transformation into Memnan Saa, the
prophesied king of Hyperborea who would "tame fire to breed dragons."

Written by Mike Mignola and John Arcudi, and drawn by Guy Davis, B.P.R.D.:
The Black Goddess follows The Warning as the second part of a trilogy that pulls
together threads from the beginning of the series—leaving the B.P.R.D. and
the world forever changed.