"::Read kubo's tweets. Here is how you know they are not canon. When in the storyline did they happen. They did not. The reliable source is the manga. It very specifically says that a Hollow who is killed by a shinigami is purified and the soul goes to soul society. A hollow killed by a quincy just dies, it does not go to soul society. This can be found in Ichigos first encounter with Ishida. It says later that a soul eaten by a hollow cannot go to an afterlife. It is just destroyed.    

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