These are often given as slayer tasks by Mazchna in Canifis. Vampires sometimes spawn because of the small black spiders that can follow you in the Haunted Woods.
Wearing a holy symbol makes combat become easier.
It looks really hungry!
Clue scroll (level-2), Rune javelin (5), Ranarr seed
Vampire dust (100%), Coins (15), Grimy herbs, Chaos rune (3), Earth rune (4), Death rune (2), Blood rune (1), Jangerberry seed, Wildblood seed, Herb seeds, Earth talisman, Strawberry seed, Limpwurt seed, Watermelon seed, Mushroom spore, Belladonna seed, Black hatchet, Green charm, Gold charm, Crimson charm, noted clean Toadflax (38)