At this stage, every one of them is a 'genius', a 'super genius'.
As you grow stronger, so does your opponent, which is why it is difficult to advance to higher levels.
Take this Level 9 Tiger Flood Dragon, for example. Its talent, formidable fleshly body, and sturdy, heavy Blue Domain all completely crush the Silver Large Dragon.
At this time, the distant Thunderflame Emperor Beast let out a low growl: "Is everyone alright? If there's no problem, let's go over there and see what treasures have made this fellow fight so hard."
Ying ying ying!! My back is broken; I need to rest for a while.
Roar roar!! My head hurts a bit; let me rest for a bit.
The eight remaining bloody and ferocious dragon heads of the Nine-headed Flood Dragon shook: "Roar roar roar!! Kido, Ra, fear nothing, it doesn't hurt, let's go and see."