There was something of a fated feud between Hive Fleet Kraken and the Lamenters.
In the original storyline, after the Badab War, they were sentenced to a century-long penitent crusade. As that crusade neared its end, they ran into a large splinter hive fleet of Kraken near Malvolion and Devan.
No reinforcements arrived. To cover the civilian evacuation fleet's retreat, they chose to stay behind, holding the planetary defenses with their already severely depleted forces to delay the endless Tyranid creatures.
After the last civilian transport jumped out of the system, they were completely surrounded by the swarm.
The Lamenters were nearly wiped out, and the Black Rage erupted in full after the battle, shattering the rumor that the Lamenters were immune to it.
"Sentoyor, take the Blood Knights back to Echo Star. Activate the Orbital Defense Array, warm up every gun emplacement, and bring all shields to full power. If the Tyranids split their forces to attack Echo Star, hold out as long as you can. If you can't hold, retreat. Evacuate everyone to Bolomite. Forget the crops. People matter more than crops."
"Understood!"
Lin En remembered something else.
What was the other Chapter that got wiped out fighting Kraken around the same time as the Lamenters?
Ah, the Emperor's Scythes!
The Emperor's Scythes' homeworld had been devoured, and the Chapter had nearly been destroyed too.
Lin En immediately called Calgar.
Calgar also had a Webway Communicator, so he could contact him directly.
The call connected almost immediately, and Calgar's face appeared on the screen.
Calgar looked at Lin En on the other side of the screen in confusion. "Lord Lin En?"
He had just finished a meeting, and Ultramarines were moving about in the conference room behind him.
*Hadn't he just gone back? Why was he suddenly calling