The professor would love to help, but such an expedition would require generous funds. Right about now Leyland comes strolling in with Vanessa, so that solves the funding issue nicely. The entire plot is just a setup for three glorious fight scenes, one with a group of bad guys who Leyland managed to annoy, the other two with the vampires and their minions. For some odd reason the brothers all use spears in the final battle, though their mastered weapons had worked quite well to dispatch three of the vampires earlier. Goat herders are terrified of Asians.
Vampires are multilingual.
Zombies like to skip. Vampires should avoid Buddha at all costs. Young women have to be topless for sacrifice. Undead are full of talc. It's okay to be clumsy, long as your clothes are flame retardant.