Ke Lake

He is Earth's mightiest hero at the start of the story, though has been missing for some years. Having suffered amnesia, he had become a member of the Red Dragon Tribe and become enslaved to Horton. He was found by Han Lang when he went to buy slaves to conquer Earth's B-Grade relic.

Celestial Dominator
The strongest flying descent ability. Capable of intergalactic travel with just flesh body, and fighting celestial dragons with bare hands.

(Ch. 289)

After entering 2 level of Galactic Dark Net Ke Lake, he had gone up to the level of warlord.