Thorns

Drop: Branchlord Aldrus [50+]

Zone: Arathi Highlands Warfront

Approximate Drop Rate: Unknown

Drop: Leafmender [35]

Zone: Timeless Isle

Approximate Drop Rate: 1 in 33

Achievement: Time To Open a Pet Store

Category: Pet Battles

World Event: Love is in the Air

Vendor: Lovely Merchant

Cost: 40 (unlimited supply)

Pet Battle: [25] The Waking Shores; [25] Ohn'ahran Plains; [25] The Azure Span; [25] Thaldraszus

Pet Battle: [1-2] Eversong Woods

World Event: Hallow's End

Item: Crudely Wrapped Gift (obtained via daily Hallow's End quest)

Daily Instance: Headless Horseman [??+]

Drop Rate: 1 in 20 dropped (avg. all sources; available 15 days per year)

Vendor: Woim (H) / Pippi (A)

Zone: Tirisfal Glades / Stormwind City

Cost: 150 (unlimited supply)

Vendor: Rook Hawkfist

Zone: Icecrown

Cost: 40 (unlimited supply)

Scenario: Island Expeditions

Approximate Drop Rate: Unknown

Quest: Remembrance of Auberdine [5] (A)

Zone: Darkshore

Vendor: Apothecary Furrows (H)

Zone: Darkshore

Cost: 50