Headbutt

Pet Battle: [25] Isle of Dorn

Vendor: Mimi Wizzlebub

Zone: Warspear

Faction: Steamwheedle Preservation Society - Revered

Cost: 1000 2000 (unlimited supply)

Vendor: Gazrix Gearlock

Zone: Stormshield

Faction: Steamwheedle Preservation Society - Revered

Cost: 1000 2000 (unlimited supply)

Pet Store 

Profession: Battle for Azeroth Alchemy [50]

Drop: Quivering Sac after 7 days becomes [Grumbling Sac]

Approximate Drop Rate: Unknown

Vendor: Ransa Greyfeather

Zone: Highmountain

Faction: Highmountain Tribe - Revered

Cost: 500 (unlimited supply)

Scenario: Island Expeditions

Approximate Drop Rate: Unknown

Pet Battle: [25] Zuldazar

Pet Battle: [25] Siren Isle

The War Within World Event: Siren Isle Vrykul Invasion

Drop: Chest

Zone: The Forbidden Reach (Zskera Vault)

Vendor: Sorotis

Zone: Thaldraszus

Cost: 2750 (unlimited supply)

Drop: Box of Collapsed Reality

Approximate Drop Rate: Unknown

Sanctum Feature: The Ember Court (tier 3)

Zone: Revendreth

Covenant: Venthyr

Drop: Tribute Chest

Approximate Drop Rate: Unknown

Sanctum Feature: Queen's Conservatory (tier 2)

Zone: Ardenweald

Covenant: Night Fae

Drop: Queen's Conservatory Cache (Dutiful Spirit)

Approximate Drop Rate: Unknown

Sanctum Feature: Path of Ascension (tier 2)

Zone: Bastion

Covenant: Kyrian

Sanctum Feature: Abomination Factory

Zone: Maldraxxus

Covenant: Necrolord (tier 1)

Vendor: Atticus

Cost: 1000 (unlimited supply)

Faction: Stitchmasters - Honored

Achievement: Dragon Racing Completionist - Silver

Category: Dragonriding

Drop: Pilgrim's Bounty

Approximate Drop Rate: 1 in 33

Pet Battle: [25] Siren Isle

Pet Battle: [25] Isle of Dorn

Vendor: Bobadormu

Zone: Tanaris

Cost: 2200 (unlimited supply)

Vendor: Grannadormu

Zone: Tanaris

Cost: 2200 (unlimited supply)

Scenario: Island Expeditions

Approximate Drop Rate: Unknown

Drop: Uldum Accord Supplies

Zone: Uldum

Approximate Drop Rate: Unknown

Drop: Turtle's Thanks

Zone: Dornogal

Drop Rate: 1 in 1

Vendor: Atolia Seapearl

Zone: Nazjatar

Faction: Unshackled - Friendly

Cost: 500 (unlimited supply)

World Event: Darkmoon Faire (first week of each month)

Vendor: Lhara

Zone: Darkmoon Island

Cost: 90 (unlimited supply)

Drop: Darkmoon Game Prize

Zone: Darkmoon Island

Approximate Drop Rate: 1 in 1,100

Pet Battle: [25] Korthia

Profession: Battle for Azeroth Archaeology - Zandalari

Artifact: [Intact Direhorn Egg]

Pet Store 

Vendor: Elianna

Zone: Emerald Dream

Faction: Dream Wardens (Renown Five)

Cost: 1 (unlimited supply)