World of Warcraft’s had another brush with a digital plague—on the Moon Guard US server, capital cities were overcome with waves of toxic activity that saw vitriol line the streets. But enough about trade chat—there was also a debuff spreading around and killing people.
The incident occurred late last week, when Stormwind was suddenly assailed by AoE markers and explosions of green slime—captured here by meggoart on Bluesky, you can cleanly see the debuff melting the faces off innocent players by the Trader’s Post (thanks, WoWHead).
uhhh corrupted blood 2.0 is happening on Moon Guard right now
www.reddit.com/r/wow/commen…— @meggoart.bsky.social (@meggoart.bsky.social.bsky.social) 2026-07-06T12:39:44.900Z
The culprit? Withering Contagion, which occurs in the Brackenhide Hollow dungeon from Dragonflight. The debuff is a DoT that can spread to players within five yards of the victim. How exactly it escaped the dungeon seems unclear, though I’m sure the discovery of the glitch has something to do with the current timewalking event, which is encouraging players to run Dragonflight dungeons.
Regardless, it swept through popular social hubs—including the, er, rather infamous inn Goldshire, which you can see exploding in a splatter of goo (and not the usual kind) in this video by ParallelGTA on YouTube. Here’s a longer video by Starry where you can see a tide of pus nearly drowning Stormwind’s Cathedral Square.
Watch On
Blizzard’s swiftly hotfixed the bug, and while that means I’ve missed out on the fun, though, I can’t help but get flashbacks to a plague I actually was there for—the Corrupted Blood incident of 2005. Almost 21 years old at this point, the plague (obtained from Hakkar the Blood God) swept across the game in such a widespread and persistent way that it was actually studied by researchers, who would then go on to fight Covid-19.
No, seriously. Speaking to our own Wes Fenlon back in 2020, Eric Lofgren said: “It was a good illustration of how important it is to understand people’s behaviours … And also that these things are very chaotic. You can’t really predict ‘oh yeah, everyone will quarantine. It’ll be fine.’ No, they won’t.”
As it turns out, noncompliance and laissez faire attitudes to quarantining and disease spreading is somewhat analogous to the kind of griefing that goes on in MMOs—after all, both this buff and the corrupted blood incident were continued by people deliberately spreading it for a jolly.
If anything, I’m just sort of sad that modern MMO hotfix cycles mean the Withering Contagion debuff didn’t get a chance to really thrive. Not because I’m some kind of plague-obsessed Nurgle-worshipping scientist (I am, but it’s entirely a coincidence), but because these sorts of emergent sandbox events are pretty lacking in today’s seasonal MMO structure.
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