This is the one that drops Marvel's daywalker into a Madhouse horror show and lets him bleed for it. It's the last and meanest entry in that 2011 Marvel Anime block, and where the others played hero, Blade plays hunter: twelve episodes of a man chasing Deacon Frost across Asia because Frost put fangs in his mother before he was ever born. Existence isn't a cabal of gothic aristocrats, it's a lab, and Frost's modified vampires come out wrong in ways the show is happy to linger on. The action is all silver and sunlight, sword work staged with actual weight, and the color palette stays sick and bruised the whole way through. There's even a Logan cameo for the people who watched the whole block in order. What lands isn't the vampire killing, it's how little joy Blade takes in any of it.
Blade is a half-vampire with a singular purpose: hunt down the creatures of the night. Born from tragedy when a vampire slaughtered his mother, he inherited both her humanity and her killer's curse, making him uniquely suited to walk in daylight where pure vampires cannot. His life becomes consumed by vengeance when he arrives in Japan tracking Deacon Frost, the vampire responsible for his mother's death. What Blade discovers in Japan is far more sinister than one man's guilt. Frost leads "Existence," an underground network of genetically engineered vampires designed to be faster, stronger, and more dangerous than nature ever intended. They operate in the shadows of Japanese society, and their reach extends further than Blade anticipated. Trapped between two worlds, belonging fully to neither, Blade must navigate a city filled with artificial monsters while confronting the man who shaped his entire existence. The series blends visceral action with the psychological weight of a hunter who questions whether his mission will ever truly end, or if vengeance simply breeds more darkness.