Spell #67211 (possibly named "Item Rogue T9 4p Bonus Hemorrhage Sinister Strike Backstab And Mutilate") doesn't exist. It may have been removed from the game.
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Item - Rogue T9 4P Bonus (Hemorrhage, Sinister Strike, Backstab, and Mutilate) - Live
Item - Rogue T9 4P Bonus (Hemorrhage, Sinister Strike, Backstab, and Mutilate) - PTR
Item - Rogue T9 4P Bonus (Hemorrhage, Sinister Strike, Backstab, and Mutilate) - PTR 2
Item - Rogue T9 4P Bonus (Hemorrhage, Sinister Strike, Backstab, and Mutilate) - Beta
Item - Rogue T9 4P Bonus (Hemorrhage, Sinister Strike, Backstab, and Mutilate) - Wrath of the Lich King
Item - Rogue T9 4P Bonus (Hemorrhage, Sinister Strike, Backstab, and Mutilate) - Cataclysm