Originally posted by GalacticStorm
Theres a difference between your powers directly creating something without your conscious willing of it and accidentally ripping a hole in reality which itself results in something.The former is a direct manifestation of her power, the latter is just something her power was a catalyst for.
But the fact is she caused the tear, with her powers, and it was her reality warp that spread into the omniverses a result of that tear she caused.
Shadow king said it himself (though not about the choas wave) A cosmic whim, caused by wanda, formed cracks in ALL realities, which was how he ws freed.