| Character | How to unlock
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|---|
| Character Achilles | Finish the battle "The Ultimate Warrior" once in Chapter 6.
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| Character Gaia | Finish the battle "Gaia, the Goddess of Earth" once in Chapter 7.
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| Character Hades | Finish the battle "The Beginning and End of Everything" once in the Final Chapter.
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| Character Joan of Arc | Finish the battle "The Maid of Orleans" once in Chapter 6.
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| Character Perseus | Find every of the 21 Fragments of Perseus.
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| Character Ryu Hayabusa | Finish the battle "The Dragon Ninja" once in Chapter 6.
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| Character Yang Jian | Finish the battle "Young Warrior of the Minamoto" once in Chapter 6.
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