A deadly plague spread through World of Warcraft’s Moonguard server over the weekend, making it the second time in WoW history a horrific virus has run uncontrolled through the game’s populace. As broken down by Wowhead, the origin of the plague in question comes from a Dragonflight dungeon, Brackenhide Hollow. Within the dungeon, some enemies cast a spell called Withering Contagion, a disease that inflicts heavy nature- damage-over-time and spreads to all players within five yards.  Whether by accident or…