Aura breath not counting as mind affecting

—And then she felt something.
Just as the Spuit Lance was about to destroy the item, she felt something on her spine. That was clearly hostility.
Someone hostile had appeared beside Shalltear, so obviously that she could not ignore it.
Shalltear averted her eyes from Ainz to see who that enemy was.
And then — she found that there was nobody there.

[...]

The undead could ignore just about any form of mind-affecting effect.
However, there were certain abilities that produced similar effects, but which
were not counted as mind-affecting. That person had used such an ability.

- Overlord; Volume 3, Chapter 5