Generally speaking I feel this is unnecessary. Blade has the tools to win fighting normal vampires and werewolves with standard weapons. He's like the Witcher he'll have the right tools for the job nd when he doesn't he'll improvise or rely on his skill and strength. That makes for entertaining stories.
I'd only break out a magic sword, or something special for those rare occasions he's fighting Dracula or a Demon, Fallen Angel, etc. Or you bring it out for one of those heroes vs hero fights where written like to really prop up everyone and make the readers super excited.