Board Thread:Questions and Answers/@comment-36761202-20180830022309/@comment-36761202-20180906171645

The answer to this question may very well come down to whether or not this https://bleach.wikia.com/wiki/Imaginary_number_01._the_unforgivens is canon. In it, Szayelaporro and Aaroniero are shown in Hell after being killed (via Zanpakutou).