Today gives us another teaser image from the Warhammer Community! Ive got no clue on this one, but....... Im going to guess Tyranids simply because I want them them to be released.
Warhammer Community
https://www.warhammer-community.com/2017/09/12/rumour-engine-september-12th-2017/
Rumour Engine: September 12th, 2017
The Rumour Engine shows no sign of stopping! Any thoughts on what this week’s sneak peek could be?