Found on the carcasses of dead fleders. They are also reasonably valuable and do not require a bestiary entry to harvest. Wing membrane, however, does require the entry. Fleder fangs have no alchemical value whatsoever.
- Outside The Hairy Bear at night sometimes.
- In the garden outside the hospital sometimes, at night.
- At the farthest end of the alley going by the dwarven blacksmith shop (around the corner), at night.
- In Vizima's cemetery at night, near the entrace to the Trade Quarter.