Blade was created by humans (presumably) only to have his programming change by a human (sorcerer) and it kind of goes whacky from there~ The canon briefly covers Blade being concerned if his thoughts and feelings are even his own, until he eventually does accept that they are. Idk which way Knives would sway but it'd be nice for Blade to meet another fellow non-human who can probably get where he comes from~!

Also I want Blade to be the one to ask Knives where are the "other 999,999" ones but only if you're ok with that