It sounds like you're referring to — which appears to be either a fan-made project, an indie game, or a mod based on the Castlevania or Darkstalkers style, given the name "Darktoz" (reminiscent of the fan-made fighting game Darktoz featuring gothic horror characters).
It sounds like you're referring to — which appears to be either a fan-made project, an indie game, or a mod based on the Castlevania or Darkstalkers style, given the name "Darktoz" (reminiscent of the fan-made fighting game Darktoz featuring gothic horror characters).