"If you think that, you're in for a shock!" said Cynthia with a fistpump. That... yeah, okay, Thunderhoof gets hit by it, and between that, the recoil, and being poisoned she's a little worse for wear.

Nevertheless, she isn't flinching, so...

"Let's just go with Spark!"

...there's not much distance to close there, but maybe she'll miss?