Todor Chapkanov, a Bulgarian director born in 1977, has carved a niche in modern action cinema, making his films prime candidates for any discerning collector's shelf. While he often works in the direct-to-video market, this is precisely where some of the most compelling, no-holds-barred action films of the last decade have emerged, making his work deeply appealing to physical media enthusiasts seeking high-octane thrills often overlooked by mainstream critics. His most acclaimed work, *Boyka: Undisputed IV* (2016), stands as a pinnacle of independent martial arts filmmaking. This film, a fan favorite and critical success within the genre, is celebrated for its brutal choreography, intense performances, and gritty aesthetic—qualities that truly shine on Blu-ray and 4K UHD. Collectors covet his films not only for their exhilarating action but also because they represent a significant chapter in the evolution of DTV action, a segment of the industry that continually delivers high-quality content for home viewing. Chapkanov's commitment to practical effects and visceral fight sequences ensures his work remains highly rewatchable and a key part of any action film collection.