Stephan Griebel

Einsichten, Aussichten und anderes

C. Paolini: Brisingr (Energieerhaltung bei Anwendung von Magie)

Posted by sjgriebel - 21. März 2011

Im „Inheritance Cycle“ (deutsch: Eragon), einer preisgekrönten Fantasyroman-Reihe (bislang erschienen: Eragon, Eldest, Brisingr) von Christopher Paolini besitzen einige Akteure die Fähigkeit, Magie einzusetzen. Die Energie, die sie dabei aufbringen müssen, ist genau so groß, als wenn sie dieselbe Handlung ohne den Einsatz von Magie verrichten würden. In dieser Erzählung gelten in einem gewissen Sinne also immer noch naturwissenschaftliche Gesetze, insbesondere der Energieerhaltungssatz. Dies macht diese Reihe zu einer potentiellen Fundgrube für den mathematischen und naturwissenschaftlichen Unterricht.

In Band 3 „Brisingr“ rettet der Held, Eragon, sich und einen kurz zuvor befreiten Gefangenen, Sloan, durch mehrere Sprünge von der auf einer Bergspitze befindlichen Festung bis hinunter ins Tal, um der Verfolgung durch seine Feinde zu entkommen. Eragon setzt dabei seine magischen Kräfte ein, um den Fall soweit abzubremsen, dass er und Sloan beim Landen jeweils nicht zu schaden kommen. Unten angekommen bricht er völlig erschöpft zusammen:

„… His right side was burning from supporting Sloan’s weight, so Eragon shifted the butcher onto his other shoulder. He blinked away the beads of sweat that clung to his eyelashes as he struggled to solve the problem of how he was supposed to transport Sloan and himself  five thousand-some feet to the ground.

“It’s almost a mile down,” he murmured. “If there was a path, I could easily walk that distance, even with Sloan. So I must have the strength to lower us with magic…Yes, but what you can do over a length of time may be too taxing to accomplish all at once without killing yourself. As Oromis said, the body cannot convert its stockpile of fuel into energy fast enough to sustain most spells for more than a few seconds. I only have a certain amount of power available at any given moment, and once it’s gone, I have to wait until I recover….And talking to myself isn’t getting me anywhere.”

Securing his hold on Sloan, Eragon fixed his eyes on a narrow ledge about a hundred feet below. This is going to hurt, he thought, preparing himself for the attempt. Then he barked: “Audr!”

Eragon felt himself rise several inches above the floor of the cave. “Fram,” he said, and the spell propelled him away from Helgrind and into the open space, where he hung unsupported, like a cloud drifting in the sky. Accustomed as he was to flying with Saphira, the sight of nothing but thin air underneath his feet still caused him unease.

By manipulating the flow of magic, Eragon quickly descended from the Ra’zac’s lair – which the insubstantial wall of stone once again hid – to the ledge. His boot slipped on a loose piece of rock as he alighted. For a handful of breathless seconds, he flailed, searching for solid footing but unable to look down, as tilting his head could send him toppling forward. He yelped as his left leg went off the ledge and he began to fall. Before he could resort to magic to save himself, he came to an abrupt halt as his left foot wedged itself in a crevice. The edges of the rift dug into his calf behind his greave, but he did not mind, for it held him in place.

Eragon leaned his back against Helgrind, using it to help him prop up Sloan’s limp body. “That wasn’t too bad,” he observed. The effort has cost him, but not so much that he was unable to continue. …“

aus: Christopher Paolini: Brisingr, Random House Children’s Books, London, 2009, S. 67f, ISBN: 978-0-552-55996-6

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