“Beautiful, isn’t it?” he says.

“Yeah. Now what do I do with it?”

“Whatever you want,” he says.

“Do I have to be careful with it? Can I cut myself?”

Dad responds by forming his own glory sword and swinging it at Christian, so fast that he doesn’t even have time to move, let alone duck out of the way, before the sword cuts through him. I bite back a scream, sure I’m about to see my best friend cut in half, but the blade passes through like a sunbeam cutting through clouds. Christian stands there totally shocked, his own glory sword abruptly gone from his hand, then looks down at his stomach. A long section of his T-shirt flutters to the ground, cleanly severed. But there’s not a scratch on his body.

“Holy …” Christian lets out a breath. “You could warn a guy before you attack him like that. I liked that shirt.”

“If you were a Triplare,” Dad says matter-of-factly, “you’d be dead.”

I frown. “He is a Triplare.”

“One of theirs, I mean,” Dad clarifies. “Those with the dark wings.”

“So we can’t hurt each other?” I ask. “I mean, if we spar with glory swords, they’ll pass through like that?”

“As long as you are aligned with the light, glory will not harm you,” Dad answers. “It is part of you, after all.”

Christian’s chewing on his bottom lip, which is not like him. “My wings aren’t all white,” he confesses, meeting Dad’s eyes. “They have black specks. What does that mean?”

“It happens when a child is born from a white-winged mother and one of the Sorrowful Ones,” Dad says thoughtfully. “It’s a mark the Black Wings leave to identify their Triplare children.”

“But our wings are a reflection of our souls, right?” I ask, confused. “You’re saying that Christian’s father marked his soul?”

Dad doesn’t answer, but his grim look says it all.

Christian looks like he’s going to be sick to his stomach.

Time for some stress relief, I think.

I move my arm slowly back and forth, watch the way the light lingers in the air, trailing my movement. It’s almost dark now, the sky a deep navy, and the sword against it reminds me of sparklers on the Fourth of July. On an impulse I write my name with it. C. L. A. R. A.

“Come on,” I say to Christian. “You try.”

He recovers himself and focuses until a bright blade appears in his hand, then starts writing his own letters in the air. We start to goof around, turning circles, making patterns, then taking swipes at each other’s exposed arms and legs. Just as Dad said, the blades pass right through. The warmth and power of the glory makes me a bit giddy, and I keep laughing as I maneuver the sword. For a minute I forget about the visions. There’s nothing that can touch me, with this. Nothing to fear.

“I’m glad you understand now,” Dad says, and there’s relief in his voice. “Because this is our last session.”

Christian and I both drop our arms and look at him, startled. “The last session?” I repeat.

“Of your training,” he says.

“Oh.” I lift the sword again. My heart is suddenly heavy, and the sword dims in my hand, flickers. “Will we be—will I be seeing you around?”

“Not for a long while,” he says.

The sword goes out. I turn to him, stricken, fearful that I haven’t been taught enough. I’ve learned so much in this small amount of time: how to fly better, how to fight, how to cross and transport others, which has already come in handy when I need to get Christian and me to the beach on our own, how to almost instantaneously call glory and shape it, and use it more efficiently for healing. He’s also taught us to speak to each other in our minds one-to-one, so that we can talk silently without being heard by anyone else, not even angels, which I’m sure every now and then he regrets doing, when it’s clear that Christian and I are talking about him behind his back. It’s been harder work than any of my courses at Stanford, but I’ve loved the training, truth be told, as scared as it makes me feel. It’s brought me closer to my dad, more a part of his life. It’s made me feel closer to Christian. But I don’t feel ready for any kind of Black Wing–Triplare battle. He didn’t even teach us to use the actual glory swords until today. “How long?”

He puts his hand on my shoulder. “You’ve got some trials ahead of you, I’m afraid, and I can’t help you. I can’t interfere, as much as I’d like to.”

That doesn’t sound good. “Any more hints you’d like to give me?”

“Follow your vision,” he says. “Follow your heart. And I’ll be with you again soon.”

“But I thought you said not for a long while—”

He smiles almost embarrassedly. “It’s a matter of perspective.”

He turns to Christian. “As for you, young man, it’s been a pleasure getting to know you. You have a fine spirit. Take care of my daughter.”

Christian swallows hard. “Yes, sir,” he says.

Dad turns back to me. “Now, try again with the sword, on your own this time.”

I close my eyes and try again, going through the steps carefully, and it works. The sword fills my hand. Dad draws his own, and we all spend a little more time there, just a little more time, together on the beach, Christian and Dad and I, writing our shining names onto the air.

“I heard about Angela,” Wendy says as we walk out of the Teton Theatre in Jackson a few days later. I called her, like I promised, asked her to hang out, and since I picked her up it’s been like old times, her and me joking around, shooting the breeze, and I’ve done an admirable job, I must say, of not showing that I think about Tucker every single time that I see any of his expressions cross her face.

Sometimes it really sucks that they’re twins.

“What did you hear?” I ask her.

“That she had a baby.”

“Yep, she did, a boy,” I say a bit guardedly. I’m protective when it comes to the subject of Angela and her baby. Maybe because I feel like they don’t have anybody else to protect them, and there is so much in this world that they might need protecting from, starting with the nasty gossip that’s surely going around about them in Jackson. Word here travels fast.

“That’s tough,” Wendy says.

I nod. Last time I called Angela, I could hear Web wailing the whole time in the background, and she said, “What do you want, Clara?” all monotone, and I said, “I’m calling to see how you are,” and she said, “I’m a clueless teen mom whose baby never stops freaking crying. I’m covered in milk and puke and crap, and I haven’t had more than two hours of sleep in a week. How do you think I am?” And then she hung up on me.