“It is,” Eragon agreed. “The hardest part is trying to anticipate every possible spell; I spend most of my time asking how can I protect myself if I’m attacked like this and would another magician expect me to do that.”

“Could you make me as strong and fast as you are?”

Eragon considered the suggestion for several minutes before saying, “I don’t see how. The energy needed to do that would have to come from somewhere. Saphira and I could give it to you, but then we would lose as much speed or strength as you gained.” What he did not mention was that one could also extract energy from nearby plants and animals, albeit at a terrible price: namely, the deaths of the smaller beings whose life force you drew upon. The technique was a great secret, and Eragon felt that he should not reveal it lightly, if at all. Moreover, it would be of no use to Roran, as too little grew or lived on Helgrind to fuel a man’s body.

“Then can you teach me to use magic?” When Eragon hesitated, Roran added, “Not now, of course. We don’t have the time, and I don’t expect one can become a magician overnight anyway. But in general, why not? You and I are cousins. We share much the same blood. And it would be a valuable skill to have.”

“I don’t know how someone who’s not a Rider learns to use magic,” confessed Eragon. “It’s not something I studied.” Glancing around, he plucked a flat, round stone from the ground and tossed it to Roran, who caught it backhand. “Here, try this: concentrate on lifting the rock a foot or so into the air and say, ‘Stenr rïsa.’ ”

“Stenr rïsa?”

“Exactly.”

Roran frowned at the stone resting on his palm in a pose so reminiscent of Eragon’s own training that Eragon could not help feeling a flash of nostalgia for the days he spent being drilled by Brom.

Roran’s eyebrows met, his lips tightened into a snarl, and he growled, “Stenr rïsa!” with enough intensity, Eragon half expected the stone to fly out of sight.

Nothing happened.

Scowling even harder, Roran repeated his command: “Stenr rïsa!”

The stone exhibited a profound lack of movement.

“Well,” said Eragon, “keep trying. That’s the only advice I can give you. But”—and here he raised a finger—“if you should happen to succeed, make sure you immediately come to me or, if I’m not around, another magician. You could kill yourself and others if you start experimenting with magic without understanding the rules. If nothing else, remember this: if you cast a spell that requires too much energy, you will die. Don’t take on projects that are beyond your abilities, don’t try to bring back the dead, and don’t try to unmake anything.”

Roran nodded, still looking at the stone.

“Magic aside, I just realized there’s something far more important that you need to learn.”

“Oh?”

“Yes, you need to be able to hide your thoughts from the Black Hand, Du Vrangr Gata, and others like them. You know a lot of things now that could harm the Varden. It’s crucial, then, that you master this skill as soon as we return. Until you can defend yourself from spies, neither Nasuada nor I nor anyone else can trust you with information that might help our enemies.”

“I understand. But why did you include Du Vrangr Gata in that list? They serve you and Nasuada.”

“They do, but even among our allies there are more than a few people who would give their right arm”—he grimaced at the appropriateness of the phrase—“to ferret out our plans and secrets. And yours too, no less. You have become a somebody, Roran. Partly because of your deeds, and partly because we are related.”

“I know. It is strange to be recognized by those you have not met.”

“That it is.” Several other, related observations leaped to the tip of Eragon’s tongue, but he resisted the urge to pursue the topic; it was a subject to explore another time. “Now that you know what it feels like when one mind touches another, you might be able to learn to reach out and touch other minds in turn.”

“I’m not sure that is an ability I want to have.”

“No matter; you also might not be able to do it. Either way, before you spend time finding out, you should first devote yourself to the art of defense.”

His cousin cocked an eyebrow. “How?”

“Choose something—a sound, an image, an emotion, anything—and let it swell within your mind until it blots out any other thoughts.”

“That’s all?”

“It’s not as easy as you think. Go on; take a stab at it. When you’re ready, let me know, and I’ll see how well you’ve done.”

Several moments passed. Then, at a flick of Roran’s fingers, Eragon launched his consciousness toward his cousin, eager to discover what he had accomplished.

The full strength of Eragon’s mental ray rammed into a wall composed of Roran’s memories of Katrina and was stopped. He could take no ground, find no entrance or purchase, nor undermine the impenetrable barrier that stood before him. At that instant, Roran’s entire identity was based upon his feelings for Katrina; his defenses exceeded any Eragon had previously encountered, for Roran’s mind was devoid of anything else Eragon could grasp hold of and use to gain control over his cousin.

Then Roran shifted his left leg and the wood underneath released a harsh squeal.

With that, the wall Eragon had hurled himself against fractured into dozens of pieces as a host of competing thoughts distracted Roran: What was . . . Blast! Don’t pay attention to it; he’ll break through. Katrina, remember Katrina. Ignore Eragon. The night she agreed to marry me, the smell of the grass and her hair . . . Is that him? No! Focus! Don’t—