Following up at the list of weird things to kill in the http://www.wowhead.com/zone=8025 we stumbled upon a maniac cleaner - http://www.wowhead.com/npc=104288
(https://www.infinite-guild.eu/upload/smfpics/legion/nh/trilliaxmsmall.jpg) (https://www.infinite-guild.eu/upload/smfpics/legion/nh/trilliaxmbig.jpg)