Aro gives him a quick, sharp grin. He'd honestly expected everyone to say no, given this world's strange wariness of magic. He reaches up, needing contact for the spell to work.

"Well then. Grab my hand!"

Assuming that Connor does, he'll notice the pendant around Aro's neck beginning to glow. Soon, that glow will spread to their hands.

"Darastrix Frahr," he murmurs, under his breath. The glow spreads to Connor, and Aro lets go. Stepping back, he reaches for his crossbow again.

"All right. All you need do is open your mouth. Close it to stop the spray. Make sure you aim it at them!" Which is probably obvious, but it bears saying, anyway.