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It could - and did - then infect NPCs, such as the Stable Masters and Auctioneers. This would pause the debuff, and when the pet was summoned again outside of Zul’Gurub, the Corrupted Blood would resume. A Hunter or Warlock pet could get the debuff during the raid, then it could be dismissed with the debuff still ticking away. However, when Zul’Gurub launched with patch 1.7, there was one way to spread Corrupted Blood outside the raid. Despite being called a plague, Corrupted Blood was not a disease as such: it couldn’t be cleansed or removed, but it did wear off on its own and it didn’t persist through death. It was a damage over time effect that could be spread to any players close enough to an inflected character, and it did around 300 damage every 2 seconds - enough that it would kill the average level 60 in 30 seconds or less without healing. How a disease from Zul’Gurub spread across Azerothįor those of you who weren’t there, a debuff called Corrupted Blood was a major component of the Hakkar fight in Zul’Gurub.
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It’s a topic of discussion right now, in fact, since COVID-19 became a worldwide pandemic there are quite a few researchers out there who’ve used what we learned from Corrupted Blood as a useful lens to discuss people’s behavior towards this epidemic. The Corrupted Blood incident, as it’s often called, has been studied for years for what it teaches us about human behavior in the face of a pandemic. You won’t have any Hunters or Warlocks accidentally - or even on purpose - summoning a plagued pet that will spread Corrupted Blood throughout Azeroth.
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That means the plague will no longed be a threat to the cities and people of Azeroth once the raid goes live on April 15. Since WoW Classic runs off of code derived from patch 1.12, and the initial outbreak of Corrupted Blood was contained with a pre-1.12 hotfix that made it impossible to spread it via an afflicted pet once you left the raid. No, the Corrupted Blood plague will not happen in WoW Classic once Zul’Gurub is live.
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