Personal Domain

Background

Personal Domain is the power to rule over a certain realm or aspect This realm/aspect is an area in which the user has either absolute power or can has abilities they don't normally have outside of it. This can range from being able to create their own laws in the domain that they can't outside, warp the reality of the domain, become massively stronger in their domain then they are on the outside etcetera.

Domination: Used to give orders or otherwise assume control of a domain, imposing law or chaos as one wishes.
Teleportation: The result of possessing a domain, allowing the owner to teleport to their domain at will, and be in any location within it.
Cosmic Awareness: As they created the domain, they can at times be aware of anything that happens within their domain, being able to see or hear anything.
Dimension Manipulation: Can manipulate the dimensions with the domain.
Unlimited Ammo: As they possess the domain, they could obtain an infinite amount of anything they desire within their realm.
Reality Separation: The domain could exist outside of the standard cosmology or reality. Potentially being atemporal or aspatial.
Dimensionless Existence: One's domain could be non-dimensional or beyond dimensionality as a whole.
Physics Manipulation: One could control the very laws of physics in their domain as it's outside of standard reality.

Master Sword (The Legend of Zelda): The Master Sword possesses a domain within itself to restore it to its true splendor if it's ever greatly damaged.
Underground (Undertale): All monsters within the underground are able to send their opponent into their own personal domain where they have their own fight rules and conditions.