Eris herself didn't want to stretch herself so much that she would snap. The more she trained, the more she understood that the Dragon God Orsted in her memories held ludicrous power. Isolte who was just in front of her used the same techniques as Orsted did. However, those were techniques far, far greater and more precise than Isolte's. The outsider Orsted surpassed the Water King in these techniques.
"Hahhh, why can't I win against such a person? I'll lose my confidence.