WATCH: Liam Harrison holds nothing back in full-on sparring with training partner Andy Howson ahead of ONE 168

British Muay Thai icon Liam Harrison is entering the most interesting fight of his decorated career as he takes on Thai legend Seksan Or Kwanmuang at ONE 168: Denver on September 6 inside the Ball Arena.

'Hitman' had been hoping against hope that he could share the Circle with 'The Man Who Yields To No One' before he eventually called it a career, and he will now get the opportunity to do so in front of a raucous crowd in the United States.

With ONE 168 only being about a month and some change away from happening, Harrison is going all out in training camp with the help of longtime friend and former ONE athlete Andy Howson.

Check out their high-octane sparring session below as posted by ONE on Instagram.

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Harrison has been away from the Circle for the better part of the past two years as he dealt with a serious knee injury but is now prepared to get into an all-out war for the ages with Seksan.

His best performances under ONE include a magical come-from-behind TKO win against Muangthai PK Saenchai back in April 2022.

Liam Harrison reveals why he wants to fight Seksan

The 38-year-old has given fans a long career of must-watch fights, and there is a specific reason why fighting one of Muay Thai's bonafide icons is on his bucket list before he ultimately rides off into the sunset.

Speaking with The City Life Project, Liam Harrison stated:

"I think so, I fought all the legends from this era. I fought all of them. He's agreed to it as well."

Tickets for ONE 168 are currently available via Ticketmaster.