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Episode 25: Seven Ronin Warriors
Rowen's family/homelife
Rowen's parents divorced when he was younger. Rowen and his father live in an apartment in the city of Toyama, and Rowen's mother is never around since she's an international journalist. His father, Genichirou is kind of the definition of a "mad scientist" he's always working on something in his lab, but no one really knows what. He always pushed Rowen to study and wanted him to be the smartest, and even though Rowen is they still have a strained relationship. Rowen would rather be alone than with his father.
The glowing crystals
When the five armors came together the power of each increased. Now that the seven armors have come together their powers are increasing more. A link was formed between the seven, alerting the rest of them if one Ronin puts on their undergear. This way, they know when someone is being attacked.
Dala
Dala's debut on Ronin Warriors was in the second season after Sai, Sage, and Kento had been captured by Talpa. Talpa made a sword out of their powers and gave the sword to Dala to get rid of Rowen and Ryo. Rowen sent an arrow to the captured Ronins as a signal, and the the three and Rowen gave Ryo their power so he could don the Inferno armor, and eventually defeat Dala.