Reference Book: III - O CASO DE CHARLES DEXTER WARD de H-P. Lovecraft

A young man cursed by the ultimate invocation of evil.

Incantations of black magic unearthed unspeakable horrors in a quiet town near Providence, Rhode Island. Evil spirits – whose memory lived on in half-understood legends and vile superstitions, lurked in underground caverns, waiting to be unleashed.Driven by the spirit of his dead ancestor, a master of the black arts, Ward delved into his forbidden past and resurrected the darkest evil from beyond the grave. A supernatural force so gruesomely relentless that it twists genius to madness and kills without offering the mercy of death!