Gavin silently breathes a sigh of relief when Fadin shows up, convincing the children to stop and stay put in a way that his own words cannot.
Unfortunately, it seems that benefit comes with strings of its own, and Gavin finds himself holding his own breath as he and the children wait for Vestis's response.
While he's waiting though, he absent-mindedly slings his crossbow over his shoulder and picks up his rapier.

Spoiler: Actions
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Move - Stow crossbow
Standard - Pick up rapier