B.P.R.D., The Black Flame

In the aftermath of the B.P.R.D.'s devastating battle with the frog creatures, Mike Mignola and John Arcudi steer the Bureau into a darker, more paranoid era with The Black Flame. This 2005–2006 Dark Horse miniseries, illustrated by the masterful Guy Davis, finds the team fractured and hunted as a mysterious new villain rises to claim the mantle of a terrifying legacy. It deepens the Hellboy universe's mythos by exploring the consequences of unchecked power and the fragile alliances within the Bureau. Essential reading for fans of the series' shift toward apocalyptic horror and character-driven tension.