Danny's only a little bit unnerved. If he were a Merlinian, he'd probably be horrified, but no kind of magic is forbidden to the followers of Morgana. Some types are just recognized to be dangerous and/or bugfuck crazy to pursue. Souls are too powerful to be played with casually, at least in Danny's understanding. But the fact that Felix has plans to do something with them is too goddamn fascinating to ignore.

He wants to know. He may not want to participate too heavily at his own risk, but he wants to know.

"I get four?" The way he's looking at the bottles suggests he's really analyzing what he might get the most use out of. "I want one for cold, one for healing, and two for magical exhaustion."

He glances up sheepishly. "I mean, I can wait. Just calling dibs. Do you wanna go now, or should I wait close by 'till you're ready?"