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Power Master 1: A Strange Journey
In Power Master 1: A Strange Journey, Sleep Whips are rare weapons that can only be bought at the Blacksmith in the Town of Dora. When equipped, it will increase the wielder's Attack by 30 and it has a 65% chance of inflicting the Asleep status on an enemy. Equipping it will cause the wielder to become stronger to Dark- and Physical-based attacks, but become weaker to Light-, Stone-, and weapon-based attacks.