Mythical: WoW Battle Pets

Vendor: Dawn-Seeker Krisek

Zone: Tanaan Jungle

Faction: Order of the Awakened - Exalted

Cost: 2000 (unlimited supply)

Pet Store 

Vendor: Master Li

Zone: Timeless Isle

Cost: 3 (unlimited supply)

Drop: Courage

Zone: Bastion

Drop Rate: 1 in 1

Quest: Mastering the Menagerie [1]

Zone: Lunarfall, Frostwall

Drop: Big Bag of Pet Supplies

Approximate Drop Rate: 1 in 50

Promotion: The War Within Epic Edition

Quest: Gryphons of a Feather [1]

Zone: Valdrakken

Promotion: The War Within Epic Edition

Quest: Gryphons of a Feather [1]

Zone: Valdrakken

Blizzard Store 

Vendor: Auction House

Trading Card Game: Heroes of Azeroth

Drop: Ascended Supplies

Zone: Bastion

Approximate Drop Rate: Unknown

Drop: Larionrider Orstus [62+]

Zone: Bastion

Covenant: Kyrian

Sanctum Feature: Anima Conductor (tier 3)

Approximate Drop Rate: Unknown

Quest: The Huntresses

Zone: Shadowmoon Valley (Draenor)

Promotion: The War Within Epic Edition

Achievement: So. Many. Pets.

Category: Collect

Promotion: The War Within Epic Edition

Quest: Gryphons of a Feather [1]

Zone: Valdrakken

Pet Battle: [23-24] Twilight Highlands