. "Unfair Trick reduces the Zeny cost of Mammonite by 10%. On iRO, this skill is known as Dubious Salesmanship."@en . "Unfair Trick"@en . "Buff"@en . "1"^^ . . . "Passive"@en . . . "none"@en . "Unfair Trick"@en . "none"@en . . "Unfair Trick reduces the Zeny cost of Mammonite by 10%. On iRO, this skill is known as Dubious Salesmanship."@en . .