Versus Match Conan The Cimmerian (Robert E. Howard) VS King Aerys' Kingsguard (A Song of Ice and Fire)

[CarlManvers2019]

This is an ungodly one-sided match up.

You don't even need the comic books here. In the books themselves we see Conan fight and defeat monsters from the Outer Dark. Murder jotun who were so tall their heads reached the sky. Cross distances of hundreds of miles in a couple hours on foot, and survive an attack from Ymir that destroyed a mountain.

And he did all this without needing a real big sword

 

[ATP]

Conan even when he was the surprisingly benevolent and responsible King of Aquillonia had nothing against slavery

Only time he demanded slaves to be liberated was for when his own citizenry sold themselves into slavery to pay for their families’ expenses

And when he had that young slavegirl who helped him get released to become his wife

Indeed.So,maybe rather taking over slave city and making living there better without freeing all slaves.He simply must do something during 15 years between fight for Lyanna and Ned death - and in canon he would arleady was King in that age.
Slavers city would be easier to take,that is all.
Althought considering that we are taking about Conan,he could take over Leng after defeating whatever horrors lived in their hidden city.