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In September 2005, a debuff meant to stay contained to a single raid boss, Hakkar the Soulflayer, escaped into the wider world through infected pets. The resulting outbreak spread through capital cities so effectively that epidemiologists later studied it as a real model for how populations react to disease.
Use the /chicken emote on a chicken enough times and it'll get fed up and offer you a quest, 'CLUCK!' Buy Special Chicken Feed from a nearby farmer, hand it over, and you're rewarded with a summonable chicken companion, one of the game's oldest and strangest vanity pets.
In Stormsong Valley you can find NPCs named Severus the Outcast, Harald the Scarred, Ranald Flamehair, and Herme the Wise, a playful stand-in for Severus Snape and the Harry Potter trio, part of a wider scattering of wizarding-world nods across the game.
In Grizzly Hills you can find a young deer named Bambina wandering with a rabbit (Thudder) and a skunk (Flora), a clear Bambi reference. Wait around and a scripted hunter appears to shoot Bambina's mother, sending the fawn into a berserk, 2,000%-damage rage.
