[ He leans over Stephen's shoulder to creep long black-nailed fingers over the carvings in a sequence smoothly unhurried but easy enough to miss if one isn't paying attention. ]

Now I've shown you. Aren't I doing well today? Sharing and hanging out ... We're Team Magic, Stephen, me and you. I bet that'd trend if hashtagged enough.

[ The box opens up to reveal a pearly viscous liquid inside. It doesn't fall out if the box tilts or upends, instead merely sloshing around prettily inside and glowing a pulsing blue.

Having seen it before, Loki spends his time tracing spines on the bookshelves. ]

You're the Master of the Musical Arts, think of a song. I suggest Metallica.

[ Whatever Stephen thinks of will emit from the box as an acoustic music-box version. ]