He does not care that they could theoretically hear him. Maybe that would get them to behave.

There is a different drawback to children versus sassy teens. The children are (usually) less likely to be as rebellious, easier to manipulate. Then again, Lucifer once thought teenagers could be wielded into something useful, and look what that got him.

Trapped in the concept of faith, directed at him, with those kids knowing the evil that rolls beneath Lucifer's layers. Problems.

He raises a brow at Istredd's suffering but only for a moment before he's bodily hauling the screaming miscreant off of Istredd with both hands, her clawing little fingers desperate to get a last hold to the mage. The screeching, unfortunately, does not stop, and only the non-tranced kids of their group look uncomfortably their way. The others remain unbothered, transfixed to their dolls.

Kid's going to grow up to be a bruiser. He's holding her at arm's length, away from Istredd, like she may even bite one of them. Feral little beasts. Now's your chance for examination, Istredd, otherwise please give her the doll back.