Howard's Memory 29595 / Harword_Memory

Power Swing damage +7% and Axe Boomerang damage +5% for every 3 Golden Wrench upgrade levels
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Knuckle Boost damage +7% and Arm Cannon damage +5% for every 3 Engine Pilebunker upgrade levels
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Axe Tornado damage +7% and Physical/Magical damage -5% from enemies of all sizes for every 3 Maxi Spanner upgrade levels