Dragonar Academy
The Star-Branded Dragonar (1x12)
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The evil group completes their plan and force Eco into her dragon form, who is then possessed by the spirit who formally resided in Silvia's brother's body. Eco loses control of her body and wreaks havoc on the city, causing Ash to jump into action. Ash ventures into Eco's mind, fights and defeats the spirit, returning Eco to her human form, saving the city.