It's back, just to make certain that we were not quickly dismissive of it's power.
via the Warhammer Community
https://www.warhammer-community.com/2019/02/13/the-daemon-engine-13th-february-2019/
H, MORTAL – YOU RETURN FOR ANOTHER SANITY-SHATTERING INSTALMENT OF THE DAEMON ENGINE!
IF YESTERDAY’S DARK VISIONS OF THE FUTURE DID NOT BREAK YOU, THEN PERHAPS TODAY’S WILL.
IF YOU’RE STILL CAPABLE OF RATIONAL THOUGHT AFTER GAZING UPON SUCH A SIGHT, THEN AMUSE ME BY GUESSING AT WHAT IT COULD BE ON THE WARHAMMER 40,000 FACEBOOK PAGE – AND RETURN TOMORROW FOR A FURTHER GLIMPSE OF WHAT AWAITS YOU…
There is also this...... from chapter master valrak who may have an answer to what these may be.