Blade and Dan Heng were both men. But Blade is an omega. Dan Heng is the alpha. The two would always fight when they met and hated each other so much that even now, Dan Heng realized that Blade was the Omega in this fight. Blade tried to escape only to fall back because he was in heat. But Dan Heng had no plans to release him this time after knowing. They are still enemies. Dan Heng had always thought that Blade was the alpha.