While Kokoro and Puella both do their respective things, Desidera casts a quick glance back behind her.

"Viola!"

The other girl startles, just briefly, at the urgent call, before quickly realizing that the Shadowling needs another light source; Desi's capabilities are no secret to her classmates, and especially not to those she tutors. Viola casts another explosion into some empty space above, the sound of which may be enough to make the Suneater think for a moment that there is even more coming its way, but instead, the particular shadows created by this blast are used to reach after Valvatorez and pull him back a bit to relative safety.