Shadow Shock

Drop: Secret Treasure

Zone: Revendreth [50-60]

Approximate Drop Rate: Unknown

Drop: Rexxar's Corrupted Chest

Zone: Horrific Vision of Orgrimmar

Approximate Drop Rate: Unknown

Vendor: Veridis Fallon

Zone: Azsuna

Faction: Court of Farondis - Revered

Cost: 500 (unlimited supply)

Pet Battle: [20-21] Netherstorm

Drop: Azgalor [??+]

Zone: Hyjal Summit

Approximate Drop Rate: 1 in 25

Trading Card Game: Betrayal of the Guardian

Quest: DANGER: Kosumoth the Hungering [45]

Zone: Eye of Azshara

Drop: High Astromancer Solarian [??+]

Zone: Tempest Keep

Approximate Drop Rate: 1 in 11

Pet Battle: [6-7] Hillsbrad Foothills

Vendor: Tiffy Trapspring

Zone: Lunarfall

Cost: 200 (unlimited supply)

Vendor: Giada Goldleash

Zone: Frostwall

Cost: 200 (unlimited supply)

Achievement: Pet Battle Challenge: Stratholme

Category: Pet Battles

Drop: Za'qul [??+]

Zone: The Eternal Palace

Approximate Drop Rate: Unknown

Vendor: Grella

Zone: Terokkar Forest

Faction: Sha'tari Skyguard - Exalted

Cost: 40 (unlimited supply)

Drop: Fel-Touched Pet Supplies

Zone: Tanaan Jungle [40]

Approximate Drop Rate: Unknown

Pet Battle: [17-18] Deadwind Pass

Time: Early Morning

Pet Store 

Drop: Mother Shahraz [??+]

Zone: Black Temple

Approximate Drop Rate: 1 in 25

Vendor: Maaria

Zone: Lunarfall

Faction: Sha'tari Defense - Revered

Cost: 1000 2000 (unlimited supply)

Pet Battle: [20-22] Borean Tundra; [20-22] Howling Fjord; [21-22] Sholazar Basin; [21-22] Grizzly Hills; [22-23] Zul'Drak; [22-23] The Storm Peaks; [22-23] Icecrown; [22-23] Dragonblight; [22-23] Crystalsong Forest

Drop: Darbel Montrose [50+]

Zone: Arathi Highlands Warfront

Approximate Drop Rate: Unknown

Drop: The Lich King [??+]

Zone: Icecrown Citadel

Approximate Drop Rate: Unknown