First seen in Day 24.
Demon spiders are spiders that are about 70 centimeter, a black spider with yellow lines. Fried demon spider taste like shrimp.
The demon spider is able to create spider silk which it uses to make nests and traps so it can feed, though this thread is highly flammable. Also has a carapace to protect itself.
- Spider Thread Creation: The ability to creat thread from the tip of the fingers.
- Thread Wielding art: The ability to use the created thread more accurately.
- Expanded Field of Vision: The ability to enlarge one's vision field.