Acid Rain

Vendor: Madeline Netley

Zone: Stormsong Valley

Cost: 75 (unlimited supply)

Vendor: Olly (H)

Zone: Dazar'alor

Cost: 75 (unlimited supply)

Requires: A Shady Message

Pet Battle: [25] Nazjatar

Pet Battle: [25] Undermine

Pet Battle: [25] Undermine

Drop: Professor Putricide [??+]

Zone: Icecrown Citadel

Approximate Drop Rate: Unknown

Quest: A Race To The Finish [70]

Zone: Zaralek Cavern

Vendor: Naron Bloomthistle

Zone: Lunarfall

Cost: 1000 (unlimited supply)

Vendor: Tarnon

Zone: Frostwall

Cost: 1000 (unlimited supply)

Pet Battle: [25] Ardenweald

Drop: Sha of Pride [??+]

Zone: Siege of Orgrimmar (Flexible, Normal or Heroic)

Approximate Drop Rate: 1 in 125

Pet Battle: [25] Nazmir

Quest: Pet Battle Challenge: Wailing Caverns [45]

Zone: Northern Barrens

Drop: Damp Pet Supplies

Approximate Drop Rate: Unknown

Drop: Jademist Dancer [35]

Zone: Timeless Isle

Approximate Drop Rate: 1 in 200

Shadowlands Profession: Protoform Synthesis

Taught By: [Microlicid]

Pet Battle: [25] Zaralek Cavern

Drop: Hidden Hornswog Hostage

Zone: The Waking Shores

Drop Rate:  1 in 1

Drop: Lord Aj'qirai [50]

Zone: Uldum

Approximate Drop Rate: Unknown