After the opening two sets were shared, Paris Masters winner Djokovic gained an early break in the decider, but came under pressure on his own service as he saved break back points in a marathon sixth game, but then finally succumbed as he served for the match at 5-4, Davydenko finally leveling on his fifth break point.

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Mr. BRENT NORBERG: Now, the population growth rate appears to be slowing or leveling off, which would give us an indication that it's reaching its balance point.

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Leveling becomes a punishment rather than a reward, and every time we assign a new skill point we do so with the inevitable knowledge that the game becomes less fun with every experience point we gain.

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Outside of the handful of refund points provided over the course of leveling to prevent extreme gamebreaking errors, players will have to hunt down Orbs of Regret in order to respec point by point.

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