[ the expression that crosses Davina's face is a mix of bemusement and uncertainty, as if confused as to what, well, trap bombs are and how she should gently admit this to him. then again, he sounds like he's enjoying himself so she's not even going to kill his excitement over creating things. ]

So, do you, like, use a different spell if you'd like to program it to freeze everything within a five feet radius than if you want a fireball?

[ she understands magic better than actual tinkering with thingamjigs, even when using kemiya. ]