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World of Warcraft was a match truly ahead of its time.

A damaging effect, called Corrupted Blood, devoting tens of thousands of gamers, and abandoned lower-leveled personalities in an unavoidable death-loop. The effect, called a debuff, was a temporary illness, but one that could spread to other gamers if they stood close enough to one another, exactly like a true virus.

A week after the outbreak, it forced Blizzard to restart every WoW machine to prevent it from spreading out of control.

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The disease originated from Hakkar the Soulflayer -- the boss of this very initial 20-player raid Blizzard released. Hakkar would toss Corrupted Blood on players and it would damage them for cheap wow classic gold about 10 seconds. Players would spread the impact to others if they got too near those infected. After the 10 seconds were completed, or players finished the boss battle, the damaging effect was supposed to end. Only it did not.