PCPS4PS5 DNF DUEL – Dragon Knight trailer The heir of Dragons. Publisher Nexon, and developers Neople, Arc System Works, and Eighting have released a new trailer for Dungeon Fighter-based fighting game DNF DUEL introducing the Dragon Knight. “The heir of Dragons has arrived!” Nexon said. “Watch the Dragon Knight fight alongside her Dragon, Astra, as the ultimate ruler of the skies in her play video!”Previous trailers introduced the Hitman, Ranger, Striker, Grappler, Inquisitor, and Berserker. DNF DUEL is currently confirmed for PlayStation 5, PlayStation 4, and PC. A PlayStation 5 and PlayStation 4 open beta test will run from December 17 to 20.Watch the trailer below.