The White Dragon and Dark Dragon did not surrender easily compared to the other colored dragons as they have superior pride, and it seems that they have better genes compared to the others. He has read that monsters that have a higher quality bloodline tend to be more powerful than the other. Kanlaon could still suppress them but not to such a great extent that they would cower.
In the end, fighting was inevitable, but Adrian did not shy away from this. Kanlaon could still pressure them which led them decrease their fighting power, but they had troublesome abilities as well. The domain of the White Dragon is basically a crystalline kingdom that is filled with white crystals that can reflect, refract, and diffract light.
