In the pre-LOCH era, Central Divinity Wong Chung Yeung defeated all the other Greats at the Mt. Hua Sword Tournament to claim the title of World's # 1 Martial Artist. His only rival was Ancient Tomb Sect Founder Lam Chiu Ying, whose martial arts were on par with his. Combined, their martial arts formed a powerful synergism that, a few generations later, Yeung Gor and Little Dragon Girl would use only a portion of to match the Greats of their time.
The OTHER powerful figure of the pre-LOCH era was Dook Goo Kau Bai. It's been opined in the past that Wong Chung Yeung by himself probably could not defeat Dook Goo Kau Bai, but what about the Wong Chung Yeung/Lam Chiu Ying combo? If they work together and gang up on Dook Goo Kau Bai, could they take down the "invincible" Sword Demon?