Naruto Shippuden: Ryujinki
This game is titled Naruto Shippuden: Dragon Blade Chronicles in North America and Naruto Shippuden: Ryujinki in Japan.
Successfully complete Story mode. Begin Story mode under the Hard difficulty setting and the alternate costume will be available.
Summon a Shadow clone and the use the Charged Rasengan. Instead of being a Normal Rasengan it will be a Giant Rasengan.
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Wind Style Dragon Rasengan
Complete Story mode under the Easy difficulty setting.
Wind style Rasengan
After getting the "Shadow Clone Croll 2" Summon the Shadow Clones and now use a Charged Rasengan. It will be a Wind Style Rasengan.