It was a dangerous world for a sparkly flying horse

Fitz’s human clothes are a huge snoozefest. Check out what Dex and I found in Alvar’s closet!” They both unzipped their hoodies, revealing T-shirts with logos underneath. “I have no idea what this means, but it’s crazy awesome, right?” Keefe asked, pointing to the black and yellow oval on his shirt. “It’s from Batman,” Sophie said—then regretted the words. Of course Keefe demanded she explain the awesomeness of the Dark Knight. “I’m wearing this shirt forever, guys,” he decided. “Also, I want a Batmobile! Dex, can you make that happen?” Sophie wouldn’t have been surprised if Dex actually could build one. As a Technopath, he worked miracles with technology. He’d made all kinds of cool gadgets for Sophie, including the lopsided ring she wore—a special panic switch that had saved her life during her fight with one of her kidnappers. “What’s my shirt from?” Dex asked, pointing to the logo with interlocking yellow W’s. Sophie didn’t have the heart to tell him it was the symbol for Wonder Woman.

Let’s go join the Black Swan!

There’s no reason to worry.
-Keeper of the Lost Cities

Fitz's door was closed, so she knocked before going in.
"I told you, Mr. Snuggles's visiting hours are over," he called through the door.
"What about your visiting hours?" she asked.
"Oh! I thought you were Keefe."
Sophie opened the door. "I get that a lot.

You keep claiming you’re not mysterious, but who are you kidding?
-Keeper of the Lost Cities