Yes, it was him.
He had once manifested upon the River of Time, and had withstood the Supreme Existences of the Alien Race, who from the Mythical Era looked down upon the River of Time, seeking to chase and slay the stunningly talented beings of an entire epoch.
To this day, Ye Chen couldn't help but be aware that those Supreme Existences, who made even the Heavenly Stars cluster around them, and made the River of Time boil, those who could stand at the end of the last epoch looking down, were none other than the Emperor and King Existences of the Alien Race.
Without such beings, who else could achieve this? Even Kings could not.