...huh keywords rather applicable here
[The mocking laughter isn't entirely unexpected; there was no killing intent from her to begin with, and it just seems so Diva. However, she was hoping that Diva would move, or attack, setting up for Tear to allow herself to respond without any guilt on her side. So she simply rewrites her glyph and switches channels to produce heat instead-- collecting it into a thermal swirl that dances in her hand and making each of the little ice daggers going up in steam with a collective hiss]
...I wonder if fire will get a different reaction.
[She doesn't like this, having to poke something into violence, but she's simply through with that woman having her own spoiled way, with Conrad, now with Saya's body. Likely as not, she can't even do much of anything, but still...]