Once a vast hive world of the Drusus Marches, 47 Kapella is now a plague-scarred ruin. Civil war, Imperial reconquest, and the Nurgle-tainted disaster of Camp 109 have reduced billions to a starving remnant. Only a fraction survives in three refugee camps — harsh Guard-ruled Phalanx, creed-bound Seraphis, and corrupt Governia under the planetary governor. The surface lies in ash-choked twilight, its hives collapsed and manufactoria gutted. Declared tainted, the world is held only to block threats from the Blackshine Nebula. Rumors speak of hidden vaults and relic-caches, with the governor quietly sending scavengers into the ruins
Ignis Aeternus WH 40K campaign notes 