Classic NPCs

NPC #20501 (possibly named "Seeping Sludge") doesn't exist. It may have been removed from the game.
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Seeping Sludge - Live
Seeping Sludge - PTR
Seeping Sludge - PTR 2
Seeping Sludge - Beta
Seeping Sludge - Burning Crusade
Seeping Sludge - Wrath of the Lich King
Seeping Sludge - Cataclysm
 
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