Dropped by
Configured rates, and the rate after the server’s drop multipliers
Familiar 
Drainliar Observed drop rates per monster are on each monster’s page.
Used in
Recipes that take Tooth of Bat as a material or guide · all recipes
Blade Forging · Smith Sword 1 · Weapon level 1
Iron × 45
Tooth of Bat × 25
Arrow Crafting turns one into 1 Arrow of Shadow.
Sold by
NPC shops
No NPC sells this item