Early career Abena made his professional debut against Elmir Mehić at WFL: Bosnia on September 25, 2015. He won the bout by split decision. Abena was scheduled to face Jan Soukup at Večer Bojovníků Thajského Boxu VII on December 19, 2015. Soukup won the fight by unanimous decision. He was afterwards scheduled to face
Petr Romankevich in the quarterfinals of the 2016 Tatneft Cup. He lost the fight by an extra round decision, thus entering the first losing streak of his career. Abena snapped the losing streak with a first-round knockout of Maurice Jackson at
FFC 25: Mitchell vs Lopez on June 10, 2016. Over the next six months, Abena would furthermore notch a knockout victory over Andrey Ohotnik on July 22, as well as decision victories against Dzhobir Tashmatov on August 23, and Andress van Engelen on November 5. This five-fight winning streak earned the a place in the 2016 WLF Super Heavyweight Tournament, held on December 3, 2016. He won the rematch with
Petr Romankevich in the quarterfinals by decision, but lost to
Jairzinho Rozenstruik by a first-round knockout in the finals. Abena was scheduled to fight Fabien Fouquet at
FFC 29 on April 22, 2017. Abena won the fight by a first-round technical knockout.
A1 World Combat Cup On May 13, 2017, Abena took part in the A1 WCC Heavyweight Qualification Tournament. He won the semifinal match against Wendell Roche and the final match against
Brian Douwes in the same manner, by decision. Abena was scheduled to fight Clyde Brunswijk at Blood, Sweat and Tears on December 22, 2017. He won the fight by decision. On May 5, 2018, Abena participated in the 2018 A1WCC Champions League Tournament, with a €110 000. Abena beat
Luis Tavares by an extra round decision in the quarterfinal, Adnan Rezovic by decision in the semifinals and faced Mohamed Abdellah in the finals. Abdellah won the final bout by decision. Abena was scheduled to face
Andrei Stoica at
ACB KB 16 on July 13, 2018. He won the fight by decision.
GLORY Abena made his
Glory debut against
Stephane Susperregui at
Glory 60: Lyon on October 20, 2018. Abena won the fight by unanimous decision, with one of the judges scoring the bout 30–27 in his favor, while three of the judges scored it as 29-28 for Abena. Abena was scheduled to face the #4 ranked Glory light heavyweight
Michael Duut at
Glory 64: Strasbourg on March 9, 2019. Abena won the fight by split decision, with three judges scoring the bout in his favor (30–27, 29–28, 29–28) and two judges scoring the bout in Duut's favor (30–27, 29–28). His two victories with the promotion left Abena as the top-ranked contender, earning him the right to challenge the reigning
Glory Light Heavyweight champion Artem Vakhitov at
Glory 66: Paris on June 22, 2019. Vakhitov won the fight by a split decision, with four of the judges scoring the fight for him (49–46, 49–46, 48–47, 48–47), while the last judge scored the bout 48-47 for Abena. Abena was scheduled to face the reigning
GLORY Middleweight champion
Alex Pereira for the interim Glory Light Heavyweight Championship at
Glory 68: Miami on September 28, 2019. Pereira won the fight by a third-round knockout, landing a left hook in the last minute of the round. Abena returned from a 14-month layoff to face
Luis Tavares at
Glory 77: Rotterdam on January 30, 2021. Tavares won the fight by unanimous decision. Abena was scheduled to face
Sergej Maslobojev at
Glory: Collision 3 on October 23, 2021, in his second fight of the year. He lost the closely contested fight by split decision. Abena faced the #2 ranked Glory light heavyweight contender
Felipe Micheletti at
Glory: Collision 4 on October 8, 2022. He won the fight by unanimous decision.
Glory Light Heavyweight champion Abena challenged
Sergej Maslobojev for the
Glory Light Heavyweight Championship at
Glory 83 on February 11, 2023. He won the fight by a fourth-round technical knockout. The fight was stopped by the ringside physician due to a cut on Maslobojev's shin. Abena was expected to make his first title defense against the one-time
ONE Kickboxing Light Heavyweight Championship and
Glory Light Heavyweight Championship title challenger
Tarik Khbabez at
Glory: Collision 5 on June 17, 2023. Abena withdrew from the fight with food poisoning on June 14. The fight was rescheduled to take place at
Glory: Collision 6 on November 4, 2023. Khbabez withdrew from the fight with a hand injury on October 31, and was replaced by
Mohamed Touchassie. Abena retained the title by unanimous decision. Abena made his second
Glory Light Heavyweight championship defense against
Tarik Khbabez at
Glory Heavyweight Grand Prix on March 9, 2024. He lost the fight by split decision. Abena faced
Ștefan Lătescu in the quarterfinals of the
Glory Light Heavyweight Grand Prix, held on June 8, 2024, in
Rotterdam, Netherlands. He won the fight by a third-round technical knockout, as he stopped Lătescu with low kicks 59 seconds into the third round. Abena likewise stopped
Tarik Khbabez with low kicks in the semifinals, which earned him a place in the tournament finals opposite
Bahram Rajabzadeh. Abena captured the tournament title, as well as the $100,00 prize, by a first-round stoppage.
Abena vs. Khababez 3 in October 2024, it was confirmed that Abena would face Tarik Khababez for the third and final time at Glory: Collision 7 on December 7 for the Glory Light Heavyweight Title. Abena lost the fight by Split decision when all of the judges scored the fight 49-47, one for Abena but the rest for Khababez. After the fight in the interview, Abena announced his retirement, he later said he discussed with Glory and was no longer retiring. ==Mixed martial arts career==