Complex sentence: When Sindel is reincarnated in Earthrealm, Shao Kahn reaches across the dimensions to reclaim her, and as a result, the Earthrealm gradually becomes a part of the Outworld, instantly stripping billions of their souls.
Split into simpler sentences: When Sindel is reincarnated in Earthrealm, Shao Kahn reaches across the dimensions to reclaim her. As a consequence of his action, the Earthrealm becomes a part of the Outworld, instantly stripping billions of their souls.