Originally Posted by
zeus2105
Actually it was from Hakkar in ZG and was a debuff called Corrupted Blood. What it was a dot that inflicted 250-300 shadow damage and spread to others nearby. So a hunter's pet would get the disease, and it would be dismissed with the disease only to be recalled in a place with a huge population, causing it to spread like wildfire killing massive amounts of players who would die, rez only to be reinfected and die again. Plus it could be spread to npcs which only made the disease that much more of an issue, many servers were actually restarted to fix entire cities being affected by this. It has been fixed and the disease can only exsist withing ZG now.