No other choice

"... I don't believe that father would sacrifice so many people to get us like this," Esmeralda said.

"He knew that in the battle against the dragons, they would suffer casualties in one way or the other," Rain said and then clicked his tongue when he realized that his body was done for and he would have to heal naturally from now on. "With this power, he was planning to control the dragons… he was forced to use it a bit earlier."

"... Where is father?" Seara asked when she arrived in a hurry 

"... He is under the king's control now," Rain replied. "Everyone else is, and they are planning to use them against the magic people."