B.P.R.D. v10 - The Warning (2009)

The team tracks down the mysterious gentleman who's been appearing in Liz's visions, but soon find themselves in over their heads when old enemies,from the frog creatures, to the Black Flame, to the last denizens of Hyperborea,descend to lay waste to the world.
• Collects B.P.R.D.: The Warning #1-#5.
• B.P.R.D.: The Warning is the first of three explosive arcs pulling together threads from throughout the series,and leaving the B.P.R.D. and the world forever changed.