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As a quick walkthrough, the weaknesses of each boss are listed below:

• Wire Sponge (Sonic Slicer)
• Wheel Gator (Strike Chain)
• Overdrive Ostrich (Crystal Hunter)
• Bubble Crab (Spin Wheel)
• Flame Stag (Bubble Splash)
• Morph Moth (Speed Burner)
• Magna Centipede (Silk Shot)
• Crystal Snail (Magnet Mine)