The original 20 kings are the first hakimen

[Stacks]

They lead their armies of hakimen to defeat the ancient kingdom with their exquisite hakimanship proving that haki>>>>>science

 

[Bisoromi Bear]

They lead their armies of hakimen to defeat the ancient kingdom with their exquisite hakimanship proving that haki>>>>>science

Real
open fake spoiler thread

 

[Warchief Sanji D Goat]

Probably. But then till this day, WG are still scared of science. Really makes you wonder....