In other words, the strongest of the golden rocs was reaching the apex of a peak-grade lifeform: that was the level of strength a sura king possessed.

"It sounds like there are quite a number of golden rocs around, then!"

"As far as I know, there are five such rocs in total, and they're all from one big family. You killed the family head's daughter! These last few years, the golden rocs have killed quite a number of our kin while hunting in the vicinity. The crag eagles used to have four high-level fighters, but two fell to the golden rocs. 

"The rocs' family head—the strongest of the golden rocs—hasn't been seen for quite some time, but the rocs have been going out...