I am used to seeing comic book stories by Rudy Palais having characters dripping sweat. I don’t see sweat, but I think it may be a comic book sweatshop job with various artists working on it.
I like that Grimm goes to work carrying a ghost disintegrator, which in his line of work would be a handy device to have. But the unknown writer* must not have consulted the Monster Manual. Grimm says the countess is a zombie, but she doesn’t cast a reflection in the mirror. I thought it was vampires who don’t have reflections. Well, neither do I, but that's because I close my eyes when I look into a mirror so I don’t have to see myself.
From Bomber Comics #1 (1944):
*I assume the name “Don Weaver” is a pseudonym.