There’s plunder to be had when the Plunderstorm makes landfall and you can claim your piece of it by watching any World of Warcraft stream on Twitch.tv.
Eligibility
To participate, you must link your Twitch account by visiting
Article Source
https://news.blizzard.com/en-us/article/24165462/twitch-drop-get-the-cowards-azure-target-transmog-now-live