Talk:Hazardous Ruins/@comment-2601:248:401:8802:A4C6:D231:D6A4:B8CD-20180415213232/@comment-62.76.12.248-20180525153041

You just get them when you defeat the boss of the level (Chemical Dropout in Sewage Plant, big robots in Ingall's Mine). No special action on your part necessary, just keep enough space in inventory to carry it all out.