[Alphys sighs; he can likely feel the despair creeping in on her mind, the way her SOUL aches with compassion.]

I know, I-- I was c-careful. But they helped. They got emotions after the last battle and they just wanted to help. They're the reason we even got the, the Door fragments in the first place. They didn't broadcast to the other Null, I, I d-did all the reconfiguring, they agreed to be cut off.

[It's more like a gasp of air than anything else as she just tries to force the words out of her.]

I'm sorry, but I couldn't just let them die. And you deserved to know that not all of them are bad.