Batter

Vendor: World Vendors

Cost: 50 (unlimited supply)

World Event: Feast of Winter Veil

Quest: You're a Mean One...(Alliance)/(Horde)

Approximate Drop Rate: 1 in 65 dropped (available 14 days per year)

Pet Battle: [18-20] Blade's Edge Mountains

Vendor: Trellis Morningsun

Zone: Icecrown

Cost: 40 (unlimited supply)

Profession: Engineering [205]

Taught By: [Schematic: Lil' Smoky]

Prerequisite Quest: Rescue OOX-09/HL! [35]

Zone: The Hinterlands

Prerequisite Quest: Rescue OOX-22/FE! [37]

Zone: Feralas

Prerequisite Quest: Rescue OOX-17/TN! [48]

Zone: Tanaris

Quest: An OOX of Your Own

Zone: Booty Bay

Vendor: Rillie Spindlenut

Zone: Icecrown

Cost: 40 (unlimited supply)

Promotion: StarCraft II: Wings of Liberty Collector's Edition

Profession: Engineering [205]

Taught By: [Schematic: Pet Bombling]

Pet Battle: [1] Orgrimmar; [3-6] Azshara; [17-18] Winterspring

Drop: Dark Animus [??+]

Zone: Throne of Thunder

Approximate Drop Rate: unknown

Promotion: Mountain Dew Promotion (Summer 2009)

Vendor: World Vendors

Cost: 50 (unlimited supply)