Viper the Assassin is one of bosses in the Peace Island Training Arena. He is a EITC Assassin boss. He is as tough as Neban the Silent and Remington the Vicous and appears at lvl 29-49. He drops as good of loot as Foulberto Smasho, but only Cursed Blades. You'll have to defeat him in the Peace Island Quest.
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