Bullet Bug

Bullet Bugis a special insect found both within YGGDRASIL.

Appearance
A three centimeter-long insect that gleamed with a steely radiance, and the front of its V-shaped bodies is sharp, bearing a strong resemblance to a rifle bullet.

Abilities
This bug could punch holes in steel, and even a large tree would be riddled full of holes. When used in swarms as shown by Entoma, they can become akin to a Gatling gun.