You need to defeat the following fel-corrupted pets in Tanaan Jungle:
Felsworn Sentry
Chaos Pup
Felfly
Direflame
Dark Gazer
Vile Blood of Draenor
Netherfist
Defiled Earth
Corrupted Thundertail
Cursed Spirit
Tainted Maulclaw
Mirecroak
Bleakclaw
Dreadwalker
Skrillix
Here you can buy Tiny Terrors in Tanaan for EU or US Servers.
You'll get guide for completing Tiny Terrors in Tanaan
