W.M.C. I-1 title the following year, defeating South African Vuyisile Colossa by split decision in the final. He followed up this victory by defeating 2007 W.K.A. world champion Shane Campbell for the second time to win the Muay Thai version of the middleweight W.K.N. title. He carried on his form on the professional circuit onto the amateur circuit, winning a second amateur world championships by claiming gold at the I.F.M.A. event in Bangkok, Thailand. In 2010 Dmitry continued his winning ways remaining the W.K.N. organizations middleweight world champion in Thai-boxing by defeating the talented Yohan Lidon at the start of 2010 and beating the Dutch-based Moroccan Tarek Slimani to claim the W.I.P.U. "King of the Ring" world title. He has suffered a few setbacks as well, losing to nemesis Artem Levin at the I.F.M.A. European Championships, and conceding a decision loss to legendary Aussie John Wayne Parr in an unsuccessful move down in weight to challenge for the W.K.N. super welterweight world title. He also won more gold medals at amateur level, winning the 75 kg category at the W.A.K.O. European and I.F.M.A. world championships respectively. He lost a decision to Karim Ghajji at Nuit des Champions in Marseilles on November 24, 2012. In a close fight, Valent lost to Simon Marcus by split decision at C3: King of Fighters in Chengdu, China on April 27, 2013. Chinese circuit He fought at Diamond Fight: Friendship in Chelyabinsk, Russia on December 13, 2013, defeating Bektas Emirhanoglu by third-round TKO. He went on to amass a 3-2 record, during which he won the IPCC light heavyweight world title with a decision win against Wehaj Kingboxing, but losing it to Simon Marcus during KLF 12. He then took part in the 2015 Kunlun Fight – 80 kg Tournament, defeating Arthit Hanchana in the semifinal, but losing to Artur Kyshenko in the final. Valent participated in the 2016 80 kg tournament as well, qualifying to it with an extra round decision against Cédric Tousch. In the tournament itself, he won a majority decision against Hicham El Gaoui in the semifinal, but once against lost in the final, dropping a split decision to Alexander Stetsurenko. European circuit Returning to the European circuit, Valent fought Yurii Zubchuk at the DSF Kickboxing Challenge 14. He lost a majority decision. He snapped the losing skid with a second round TKO of Serhii Snytiuk. Valent made his ONE Championship