Delk0 is a human that has a stand called Holy Diver. What is a stand you may ask. Well a stand is like a spirit that is part of you and has special abilities. It's abilities include :

  1. The standard stand abilities (Physically interacting with the environment).
  2. Opening portals to the "Midnight Sea" and being able to control water slightly.

Midnight Sea us characterized by these:

  1. It's a dimension consisting of only water.
  2. Links everything, meaning that after going in you can get out somewhere else if you choose to do so.
  3. It's portals can open on any surface.
  4. Water cannot get out unless controlled by Holy Diver
  5. Getting out of the dimension restores your dryness

Holy Diver's appearance: A robotic - skeletal looking humanoid with fins