Serpents: WoW Battle Pets

Promotion: Shadowlands Epic Edition

Drop: Tsulong [??+]

Zone: Terrace of Endless Spring

Approximate Drop Rate: Unknown

Achievement: Littlest Pet Shop

Category: Collect

Promotion: China PVP Event

World Event: Mists of Pandaria Timewalking

Vendor: Mistweaver Xia

Zone: Timeless Isle

Cost: 2200 (unlimited supply)

Pet Store 

Promotion: Battleground Event

Vendor: Black Market Auction House

Zone: Nagrand (Draenor), The Veiled Stair

Approximate Drop Rate: 1 in 1 or Unknown from [Unclaimed Black Market Container]

Promotion: iCoke China

Promotion: iCoke China

Pet Battle: [23-25] The Jade Forest

Faction: Order of the Cloud Serpent (Exalted)

Pet Battle: [23-25] The Jade Forest

Faction: Order of the Cloud Serpent (Exalted)

Pet Battle: [23-25] The Jade Forest

Faction: Order of the Cloud Serpent (Exalted)

Vendor: Master Li

Zone: Timeless Isle

Cost: 3 (unlimited supply)