The Sorcery Club

When they found the book they laughed at it. For who would believe that an ancient volume of Atlantean magic spells could be taken seriously? But when they experimented they discovered the frightening truth.... A demon was conjured up and with hellish skill enmeshed them in its devilish intrigues. It offered them a pact that would grant them superhuman powers... but the price was high: the demon wanted their souls.