Overview
Ichar IV is a hive world that became the hinge of the war against Hive Fleet Kraken, where genestealer corruption opened the gates from within.
Its liberation by the Ultramarines was costly enough to be called a victory.
The hives remember both the tyranids and the neighbours who worshipped them.
M41 and M42 status
Hive world; battleground against Hive Fleet Kraken.
Rebuilt hive world under Ultramar's watch.
Timeline
Genestealer cult unrest paralyses the Ichar hives.
Hive Fleet Kraken assaults the system; Ultramarines counter-attack.
The world is cleansed and its tithes resume under audit.
Reconstruction continues within Ultramar's defensive envelope.
Cartographic positions and several administrative details are intentionally approximate where published Warhammer sources conflict or provide no canonical coordinate system.