Weapon upgrades for Ninja Gaiden 2 - Xbox 360

• Weapon upgrades

In total to fully upgrade a weapon, it costs 30,000 karma points. When you do upgrade a weapon, you have to pay 10,000 points. When you do that, the point count to upgrade that weapon goes up to 20,000 karma points equaling 30,000 karma points to fully upgrade that weapon.

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