En and the Justice Primarchs had all left the Styx River. There was nothing to do there, and the law matrix would heal faster without enduring the pressure of several Rank 9 life forms.
The World Tree, Salomon, Issac, Hyperion, Bahamut, Nut, and Noir were all waiting outside the Prima-Eldritch Universe Final Battlefield.
A massive structure with the form of a large red sword stood next to the Dark Tower. That sword-like construction was the headquarters of the Immortal Alliance, Bloodshed Sword.
The Justice Primarchs and En were not the only ones in the strongholds, as several Law Overlords from the different great powers had gathered.
Zatiel being the Incarnation of Death and Destruction, was not something that could have caused such a commotion since most Justice Primarchs already suspected it, but the birth of Venganza changed everything.