black iron prison 5
https://tiny-wiki.win/index.php/Mastering_The_Callisto_Protocol:_A_Hardcore_Difficulty_Guide_for_the_Complete_Edition
The black iron prison rose from the marsh like a jagged tooth against the grey sky, its rusted bars weeping crimson stains into the peat. Inside, the cold clung to the walls, and the only sound was the drip of condensation and the distant howl of the wind through broken arrow slits.