The Aquarius Vertex (アクエリアス・バーテックス), also known as an Mizugame Type is an enemy of humanity, and the eighth Vertex the Hero Club encounters. It is based after the constellation Aquarius the Water Carrier.
This Vertex mainly relies on the twin water spheres on either side of its body to launch water-based ranged attacks, such as bombarding the Heroes with a high-pressure water jet or releasing a volley of high-density water spheres.
- The water spheres not only hit hard, but they can also attach themselves to the body of the target instead of shattering once they hit.
- As this Vertex mainly uses water-based attacks, it may sometimes try to drown its opponent instead of relying on brute force. Notable targets were: