Sunreaver Micro-Sentry

Source
The Sunreaver Micro-Sentry is a rare drop (about a 20% chance) from the Haywire Sunreaver Construct, one of the Champions of Lei Shen, found on the beach of Ihgaluk Crag on the southeastern corner of the Isle of Thunder.

Pet Journal
Loyal to the Sunreavers from creation, these pint-sized contructs can still pack a punch.