WATCH: Atomweight MMA queen Stamp Fairtex continues to make strides, slowly regains strength in injured knee

Stamp Fairtex is slowly regaining the terrifying power she once possessed to wreak havoc in ONE Championship's atomweight division.

The reigning ONE women's atomweight MMA world champion has been working diligently in her rehab, and one of her most recent posts showed her steadily building up the strength from her injured left knee.

Stamp, who has a personal gym in her home in Pattaya, Thailand, was seen doing exercises a few months after she underwent surgery to repair the torn meniscus in her left knee.

Taking to Instagram, Stamp Fairtex wrote:

"You will need a better day. 🌞🌞"

Stamp was supposed to defend her ONE women's atomweight MMA world title against her close friend and former training partner Denice Zamboanga at ONE 167.

The Thai megastar, however, tore the meniscus in her left knee during a routine sparring session while in training camp.

Stamp ultimately had to pull out of the June event to recover from the injury and the subsequent surgery.

Athletes, especially martial artists, often need upwards of six months to properly recover from such a knee injury, and Stamp has been taking her time to build her strength back up.

Stamp is the only fighter in ONE Championship history to capture three world titles across in as many disciplines.

The Fairtex Training Center representative first snatched the ONE atomweight kickboxing world title from Chuang Kai Ting in October 2018.

She then became the inaugural ONE atomweight Muay Thai world champion when she beat Janet Todd for the strap in February 2019.

After she relinquished her Muay Thai and kickboxing world titles, Stamp decided to focus entirely on MMA and built an impressive 11-2 record in the discipline.

Stamp, who also captured the ONE Women's Atomweight MMA World Grand Prix title in 2021, knocked out Ham Seo Hee at ONE Fight Night 14 for the ONE women's atomweight MMA world title.

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Stamp Fairtex hopes to return to action in October

Stamp Fairtex believes her recovery has been going steadily and hopes to return to action in October this year.

In an interview with ONE Championship, Stamp said she's already doing boxing drills and some light training.

"I think I’ll return to Fairtex in late October," she said. "I’ll try some light training. I can do boxing now. I’ve been trying to keep myself busy with random stuff like mobile games and jigsaw puzzles. My parents take me out to eat often. I’ve just been spending time with my family."