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The Mega Nitro Eruptor was the Mega version of the Nitro Eruptor. It cost 380,000 bolts, or 342,000 bolts with Gadgetron discount. It had 4,200 power, medium range and could hold 12 grenades. At the point of gaining 7,500 experience points, it upgraded to the Giga Nitro Eruptor and at 125,000 experience points it upgraded to the Omega Nitro Eruptor.
- Ratchet & Clank: Up Your Arsenal (first appearance)