This page contains I-Ninja Codes for Playstation 2 called "Upgrade sword" and has been posted or updated on Nov 9, 2006 by Balendin. Let us know what you think of this Code by thumbs voting.
Press Start to pause game play, then hold L1 + R1 and press Circle, Square, Circle, Triangle x2, Square, Circle, Square. Repeat this code three, four, or five times to get Soul Sword.
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