100% Hit Chance
Instantly kills the user, causing 15% of their health as Undead damage to the enemy and infects the target.
Infected targets receive 5% of their maximum health as Undead damage every round for 4 rounds.
Drop: Bufo 
Pet Battle: Timeless Isle
Approximate Drop Rate: 1 in 33
Pet Battle: [3-6] Silverpine Forest; [3-6] Bloodmyst Isle; [6-7] Hillsbrad Foothills; [12-13] Eastern Plaguelands
Pet Battle: [6-7] Hillsbrad Foothills
Drop: Anetheron [??+]
Zone: Hyjal Summit
Approximate Drop Rate: 1 in 20
Quest: Mastering the Menagerie [??]
Zone: Lunarfall, Frostwall
Drop: Big Bag of Pet Supplies
Approximate Drop Rate: 1 in 50