The Irritable Tank is a large Unversed with a spherical body shape and a gold valve wheel on its back. It has a small head with prongs on it resting on top of a jagged collar. Its small arms resemble tops. There is a large, red stripe separating the black top half of its body, and its blue and red striped bottom half.
Irritable Tanks are sturdy enemies, and can be a bit of a challenge to defeat if one does not use the proper strategy in order to do so. If these Unversed are hit from the front, they will glow red, swell, and finally become immune to damage for a period of time before exploding. In order to prevent this from happening, it is highly recommended that the player strike these Unversed from behind.