Earth-210

Earth-210 and Earth-S210 are the universes owned by ShadowFire, and the place where most of his series take place.

Earth-210
The first half of the universe, and is and more Ben 10 related than the second.

Dimension 1
This is the place where Team 10 takes place, and is also the prime dimension of that part of the universe. It's the only dimension in Earth-210 to have both an Omnitrix and a ShadowFire. All other dimensions have the first, but lack the second. This is also one of the two gates between the two halves of that universe.

Earth-S210
Also known as the Shadowverse is the second half of the universe, and is the part where most ShadowFires exist. The main forces that drive it are the power of Darkness, and the power of Light.

Dimension 0
This is the dimension where Genetic takes place, and is the only one in Earth-S210 to have both an Omnitrix and a ShadowFire. All other lack the fist, but have the second. This dimension is also one of the two gates between the two halves of that universe.