*Deep inside an asylum, Edward Grey faces a final confrontation with the mysterious beast that has been terrorizing the streets of Victorian London. Grey learns that sometimes you must use the Devil's own tools to fight him, when he meets up with the young Memnan Saa, the villain from B.P.R.D.: The Warning and The Black Goddess! *Source: darkhorse.com
Issue number 5 in the comprehensive numbering of the Witchfinder series.
Continues in Witchfinder: Lost and Gone Forever.